./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd --- 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-38b53e6 [2022-11-26 00:21:52,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:21:52,759 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:21:52,798 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:21:52,798 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:21:52,802 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:21:52,804 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:21:52,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:21:52,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:21:52,815 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:21:52,815 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:21:52,817 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:21:52,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:21:52,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:21:52,821 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:21:52,823 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:21:52,824 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:21:52,825 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:21:52,826 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:21:52,831 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:21:52,832 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:21:52,834 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:21:52,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:21:52,836 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:21:52,839 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:21:52,840 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:21:52,840 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:21:52,841 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:21:52,842 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:21:52,843 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:21:52,843 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:21:52,844 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:21:52,845 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:21:52,846 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:21:52,847 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:21:52,848 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:21:52,849 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:21:52,849 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:21:52,849 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:21:52,850 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:21:52,851 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:21:52,852 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:21:52,874 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:21:52,874 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:21:52,875 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:21:52,875 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:21:52,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:21:52,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:21:52,876 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:21:52,877 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:21:52,877 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:21:52,877 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:21:52,878 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:21:52,878 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:21:52,878 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:21:52,878 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:21:52,879 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:21:52,879 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:21:52,879 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:21:52,880 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:21:52,881 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:21:52,881 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:21:52,881 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:21:52,882 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:21:52,882 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:21:52,882 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:21:52,883 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:21:52,883 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:21:52,883 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:21:52,884 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:21:52,884 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:21:52,884 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:21:52,884 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:21:52,885 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:21:52,885 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:21:52,885 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:21:52,886 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:21:52,886 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:21:52,886 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:21:52,887 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:21:52,887 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:21:52,887 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:21:52,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:21:52,888 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:21:52,888 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:21:52,888 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_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfe9cedb3fb732c747a1ef802da6fccda86efe7de6f5d2fc74063f23f28dc4dd [2022-11-26 00:21:53,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:21:53,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:21:53,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:21:53,178 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:21:53,179 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:21:53,180 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2022-11-26 00:21:56,163 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:21:56,520 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:21:56,524 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i [2022-11-26 00:21:56,540 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/data/dbff46c9c/68b5e193ee7d470e9f49ab1c5d74872c/FLAGf814308eb [2022-11-26 00:21:56,561 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/data/dbff46c9c/68b5e193ee7d470e9f49ab1c5d74872c [2022-11-26 00:21:56,565 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:21:56,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:21:56,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:21:56,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:21:56,577 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:21:56,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:21:56" (1/1) ... [2022-11-26 00:21:56,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd681ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:56, skipping insertion in model container [2022-11-26 00:21:56,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:21:56" (1/1) ... [2022-11-26 00:21:56,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:21:56,664 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:21:57,016 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[33021,33034] [2022-11-26 00:21:57,115 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:21:57,124 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[45234,45247] [2022-11-26 00:21:57,143 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:21:57,160 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:21:57,213 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[33021,33034] [2022-11-26 00:21:57,297 WARN L623 FunctionHandler]: Unknown extern function memcmp [2022-11-26 00:21:57,305 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/sv-benchmarks/c/uthash-2.0.2/uthash_SFH_test8-2.i[45234,45247] [2022-11-26 00:21:57,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:21:57,345 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:21:57,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57 WrapperNode [2022-11-26 00:21:57,345 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:21:57,347 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:21:57,347 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:21:57,347 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:21:57,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,382 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,486 INFO L138 Inliner]: procedures = 177, calls = 348, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1153 [2022-11-26 00:21:57,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:21:57,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:21:57,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:21:57,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:21:57,525 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,526 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,566 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,650 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,654 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:21:57,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:21:57,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:21:57,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:21:57,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (1/1) ... [2022-11-26 00:21:57,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:21:57,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:21:57,701 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:21:57,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:21:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:21:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-26 00:21:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-26 00:21:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:21:57,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-26 00:21:57,758 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-26 00:21:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure test_int [2022-11-26 00:21:57,759 INFO L138 BoogieDeclarations]: Found implementation of procedure test_int [2022-11-26 00:21:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-26 00:21:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:21:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-26 00:21:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:21:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2022-11-26 00:21:57,759 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-26 00:21:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:21:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:21:57,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:21:57,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:21:58,092 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:21:58,094 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:21:59,709 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:22:00,111 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:22:00,112 INFO L300 CfgBuilder]: Removed 71 assume(true) statements. [2022-11-26 00:22:00,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:22:00 BoogieIcfgContainer [2022-11-26 00:22:00,115 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:22:00,117 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:22:00,117 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:22:00,120 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:22:00,121 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:21:56" (1/3) ... [2022-11-26 00:22:00,121 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9fe64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:22:00, skipping insertion in model container [2022-11-26 00:22:00,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:21:57" (2/3) ... [2022-11-26 00:22:00,122 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9fe64e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:22:00, skipping insertion in model container [2022-11-26 00:22:00,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:22:00" (3/3) ... [2022-11-26 00:22:00,123 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_SFH_test8-2.i [2022-11-26 00:22:00,142 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:22:00,142 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-26 00:22:00,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:22:00,200 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;@61f9017b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:22:00,200 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-26 00:22:00,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-26 00:22:00,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-26 00:22:00,210 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:00,211 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-26 00:22:00,212 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:22:00,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:00,217 INFO L85 PathProgramCache]: Analyzing trace with hash 32197593, now seen corresponding path program 1 times [2022-11-26 00:22:00,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:00,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555635618] [2022-11-26 00:22:00,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:00,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:00,338 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:22:00,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1132275770] [2022-11-26 00:22:00,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:00,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:00,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:00,343 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:00,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:22:00,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:00,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 13 conjunts are in the unsatisfiable core [2022-11-26 00:22:00,605 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:22:00,673 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 11 treesize of output 7 [2022-11-26 00:22:00,682 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-26 00:22:00,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:22:00,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-11-26 00:22:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:22:00,731 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:22:00,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:00,731 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555635618] [2022-11-26 00:22:00,732 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:22:00,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1132275770] [2022-11-26 00:22:00,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1132275770] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:00,733 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:22:00,733 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:22:00,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895486825] [2022-11-26 00:22:00,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:00,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:22:00,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:00,772 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:22:00,773 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:22:00,776 INFO L87 Difference]: Start difference. First operand has 172 states, 140 states have (on average 1.8071428571428572) internal successors, (253), 163 states have internal predecessors, (253), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:22:03,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:03,073 INFO L93 Difference]: Finished difference Result 399 states and 692 transitions. [2022-11-26 00:22:03,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:22:03,076 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 4 [2022-11-26 00:22:03,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:03,089 INFO L225 Difference]: With dead ends: 399 [2022-11-26 00:22:03,092 INFO L226 Difference]: Without dead ends: 208 [2022-11-26 00:22:03,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:22:03,100 INFO L413 NwaCegarLoop]: 184 mSDtfsCounter, 60 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:03,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 526 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2022-11-26 00:22:03,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2022-11-26 00:22:03,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 160. [2022-11-26 00:22:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.310077519379845) internal successors, (169), 151 states have internal predecessors, (169), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-26 00:22:03,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 209 transitions. [2022-11-26 00:22:03,163 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 209 transitions. Word has length 4 [2022-11-26 00:22:03,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:03,164 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 209 transitions. [2022-11-26 00:22:03,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:22:03,164 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 209 transitions. [2022-11-26 00:22:03,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-26 00:22:03,166 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:03,166 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:03,178 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-26 00:22:03,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:03,374 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:22:03,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:03,374 INFO L85 PathProgramCache]: Analyzing trace with hash 1415566518, now seen corresponding path program 1 times [2022-11-26 00:22:03,375 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:03,375 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376872235] [2022-11-26 00:22:03,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:03,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:03,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:22:03,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:03,981 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [376872235] [2022-11-26 00:22:03,982 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [376872235] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:03,982 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:22:03,982 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-26 00:22:03,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34291182] [2022-11-26 00:22:03,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:03,983 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:22:03,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:03,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:22:03,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:22:03,985 INFO L87 Difference]: Start difference. First operand 160 states and 209 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:22:05,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:05,223 INFO L93 Difference]: Finished difference Result 297 states and 393 transitions. [2022-11-26 00:22:05,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:22:05,223 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-26 00:22:05,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:05,225 INFO L225 Difference]: With dead ends: 297 [2022-11-26 00:22:05,226 INFO L226 Difference]: Without dead ends: 204 [2022-11-26 00:22:05,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:22:05,228 INFO L413 NwaCegarLoop]: 182 mSDtfsCounter, 51 mSDsluCounter, 334 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:05,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 516 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-26 00:22:05,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2022-11-26 00:22:05,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 160. [2022-11-26 00:22:05,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 129 states have (on average 1.302325581395349) internal successors, (168), 151 states have internal predecessors, (168), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-26 00:22:05,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2022-11-26 00:22:05,246 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 26 [2022-11-26 00:22:05,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:05,246 INFO L495 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2022-11-26 00:22:05,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:22:05,247 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2022-11-26 00:22:05,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-26 00:22:05,248 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:05,248 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:05,248 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-26 00:22:05,249 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:22:05,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:05,249 INFO L85 PathProgramCache]: Analyzing trace with hash 1725832852, now seen corresponding path program 1 times [2022-11-26 00:22:05,250 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:05,250 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1487995368] [2022-11-26 00:22:05,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:05,477 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:22:05,477 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [451293020] [2022-11-26 00:22:05,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:05,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:05,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:05,485 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:05,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:22:06,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:06,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 1590 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:22:06,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:22:06,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:22:06,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:22:06,290 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:06,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1487995368] [2022-11-26 00:22:06,290 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:22:06,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [451293020] [2022-11-26 00:22:06,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [451293020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:06,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:22:06,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:22:06,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1385577407] [2022-11-26 00:22:06,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:06,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:22:06,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:06,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:22:06,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:22:06,293 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:22:07,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:07,321 INFO L93 Difference]: Finished difference Result 160 states and 208 transitions. [2022-11-26 00:22:07,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:22:07,324 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2022-11-26 00:22:07,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:07,326 INFO L225 Difference]: With dead ends: 160 [2022-11-26 00:22:07,326 INFO L226 Difference]: Without dead ends: 159 [2022-11-26 00:22:07,326 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:22:07,327 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 192 mSDsluCounter, 136 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 192 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:07,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [192 Valid, 288 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-26 00:22:07,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2022-11-26 00:22:07,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2022-11-26 00:22:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 129 states have (on average 1.2945736434108528) internal successors, (167), 150 states have internal predecessors, (167), 20 states have call successors, (20), 3 states have call predecessors, (20), 3 states have return successors, (20), 6 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-26 00:22:07,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 207 transitions. [2022-11-26 00:22:07,346 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 207 transitions. Word has length 30 [2022-11-26 00:22:07,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:07,346 INFO L495 AbstractCegarLoop]: Abstraction has 159 states and 207 transitions. [2022-11-26 00:22:07,347 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:22:07,347 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 207 transitions. [2022-11-26 00:22:07,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:22:07,348 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:07,348 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:07,363 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-26 00:22:07,556 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:07,557 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:22:07,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:07,557 INFO L85 PathProgramCache]: Analyzing trace with hash 1961210902, now seen corresponding path program 1 times [2022-11-26 00:22:07,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:07,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1402188078] [2022-11-26 00:22:07,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:07,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:07,714 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:22:07,715 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [869373168] [2022-11-26 00:22:07,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:07,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:07,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:07,719 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:07,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:22:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:08,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 1591 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:22:08,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:22:08,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:22:08,598 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:22:08,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:08,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1402188078] [2022-11-26 00:22:08,599 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:22:08,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [869373168] [2022-11-26 00:22:08,599 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [869373168] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:08,599 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:22:08,600 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:22:08,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653700819] [2022-11-26 00:22:08,600 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:08,600 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:22:08,601 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:08,601 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:22:08,601 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:22:08,602 INFO L87 Difference]: Start difference. First operand 159 states and 207 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:22:10,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:10,295 INFO L93 Difference]: Finished difference Result 245 states and 332 transitions. [2022-11-26 00:22:10,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-26 00:22:10,301 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-26 00:22:10,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:10,303 INFO L225 Difference]: With dead ends: 245 [2022-11-26 00:22:10,303 INFO L226 Difference]: Without dead ends: 244 [2022-11-26 00:22:10,304 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:22:10,309 INFO L413 NwaCegarLoop]: 187 mSDtfsCounter, 69 mSDsluCounter, 356 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 543 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:10,310 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 543 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2022-11-26 00:22:10,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2022-11-26 00:22:10,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 213. [2022-11-26 00:22:10,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 178 states have (on average 1.247191011235955) internal successors, (222), 199 states have internal predecessors, (222), 24 states have call successors, (24), 5 states have call predecessors, (24), 4 states have return successors, (24), 9 states have call predecessors, (24), 24 states have call successors, (24) [2022-11-26 00:22:10,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 270 transitions. [2022-11-26 00:22:10,336 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 270 transitions. Word has length 31 [2022-11-26 00:22:10,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:10,336 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 270 transitions. [2022-11-26 00:22:10,336 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-26 00:22:10,336 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 270 transitions. [2022-11-26 00:22:10,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-11-26 00:22:10,338 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:10,338 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:10,347 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:22:10,547 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:10,547 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:22:10,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:10,548 INFO L85 PathProgramCache]: Analyzing trace with hash 176654397, now seen corresponding path program 1 times [2022-11-26 00:22:10,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:10,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918830828] [2022-11-26 00:22:10,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:10,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:10,709 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:22:10,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1839893691] [2022-11-26 00:22:10,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:10,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:10,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:10,712 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:10,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-26 00:22:11,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:11,599 INFO L263 TraceCheckSpWp]: Trace formula consists of 1610 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:22:11,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:22:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:22:11,673 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:22:11,673 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:11,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918830828] [2022-11-26 00:22:11,673 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:22:11,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1839893691] [2022-11-26 00:22:11,674 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1839893691] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:11,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:22:11,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:22:11,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1509197821] [2022-11-26 00:22:11,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:11,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:22:11,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:11,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:22:11,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:22:11,676 INFO L87 Difference]: Start difference. First operand 213 states and 270 transitions. Second operand has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:22:12,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:12,973 INFO L93 Difference]: Finished difference Result 434 states and 549 transitions. [2022-11-26 00:22:12,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:22:12,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 39 [2022-11-26 00:22:12,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:12,976 INFO L225 Difference]: With dead ends: 434 [2022-11-26 00:22:12,976 INFO L226 Difference]: Without dead ends: 248 [2022-11-26 00:22:12,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:22:12,978 INFO L413 NwaCegarLoop]: 195 mSDtfsCounter, 47 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:12,979 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 355 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:22:12,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2022-11-26 00:22:12,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 245. [2022-11-26 00:22:12,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 209 states have (on average 1.229665071770335) internal successors, (257), 230 states have internal predecessors, (257), 25 states have call successors, (25), 5 states have call predecessors, (25), 4 states have return successors, (25), 10 states have call predecessors, (25), 25 states have call successors, (25) [2022-11-26 00:22:13,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 307 transitions. [2022-11-26 00:22:13,002 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 307 transitions. Word has length 39 [2022-11-26 00:22:13,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:13,002 INFO L495 AbstractCegarLoop]: Abstraction has 245 states and 307 transitions. [2022-11-26 00:22:13,003 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.666666666666666) internal successors, (35), 2 states have internal predecessors, (35), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-26 00:22:13,003 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 307 transitions. [2022-11-26 00:22:13,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-26 00:22:13,004 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:13,004 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:13,021 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-26 00:22:13,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:13,215 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:22:13,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:13,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1100217069, now seen corresponding path program 1 times [2022-11-26 00:22:13,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:13,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106042319] [2022-11-26 00:22:13,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:13,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:13,275 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:22:13,276 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1827052727] [2022-11-26 00:22:13,276 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:13,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:13,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:13,277 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:13,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-26 00:22:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:22:33,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 747 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-26 00:22:33,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:22:33,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:22:33,852 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:22:33,852 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:22:33,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106042319] [2022-11-26 00:22:33,853 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:22:33,853 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1827052727] [2022-11-26 00:22:33,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1827052727] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:22:33,853 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:22:33,853 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-26 00:22:33,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1193672014] [2022-11-26 00:22:33,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:22:33,855 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:22:33,855 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:22:33,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:22:33,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-26 00:22:33,856 INFO L87 Difference]: Start difference. First operand 245 states and 307 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:22:35,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:22:35,191 INFO L93 Difference]: Finished difference Result 473 states and 601 transitions. [2022-11-26 00:22:35,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:22:35,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 52 [2022-11-26 00:22:35,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:22:35,198 INFO L225 Difference]: With dead ends: 473 [2022-11-26 00:22:35,198 INFO L226 Difference]: Without dead ends: 249 [2022-11-26 00:22:35,199 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:22:35,200 INFO L413 NwaCegarLoop]: 183 mSDtfsCounter, 1 mSDsluCounter, 362 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 545 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-26 00:22:35,200 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 545 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-26 00:22:35,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2022-11-26 00:22:35,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2022-11-26 00:22:35,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 211 states have (on average 1.2369668246445498) internal successors, (261), 234 states have internal predecessors, (261), 25 states have call successors, (25), 5 states have call predecessors, (25), 6 states have return successors, (27), 10 states have call predecessors, (27), 25 states have call successors, (27) [2022-11-26 00:22:35,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 313 transitions. [2022-11-26 00:22:35,246 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 313 transitions. Word has length 52 [2022-11-26 00:22:35,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:22:35,247 INFO L495 AbstractCegarLoop]: Abstraction has 249 states and 313 transitions. [2022-11-26 00:22:35,247 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-26 00:22:35,252 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 313 transitions. [2022-11-26 00:22:35,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-11-26 00:22:35,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:22:35,254 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:22:35,283 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-26 00:22:35,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-26 00:22:35,455 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [test_intErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, test_intErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-26 00:22:35,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:22:35,455 INFO L85 PathProgramCache]: Analyzing trace with hash 94867541, now seen corresponding path program 1 times [2022-11-26 00:22:35,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:22:35,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573556264] [2022-11-26 00:22:35,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:35,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:22:35,555 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-26 00:22:35,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1345864159] [2022-11-26 00:22:35,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:22:35,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:22:35,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:22:35,560 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:22:35,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_808d6ce7-509a-4790-8b26-9f537fdb3be7/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-26 00:23:06,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:23:06,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 777 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-26 00:23:06,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:23:06,093 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:23:06,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:23:06,241 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-26 00:23:06,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:23:06,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1573556264] [2022-11-26 00:23:06,241 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-26 00:23:06,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1345864159] [2022-11-26 00:23:06,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1345864159] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:23:06,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [270404943] [2022-11-26 00:23:06,266 INFO L159 IcfgInterpreter]: Started Sifa with 50 locations of interest [2022-11-26 00:23:06,266 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:23:06,270 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:23:06,276 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:23:06,277 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:23:06,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2022-11-26 00:23:06,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2022-11-26 00:23:06,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 28 [2022-11-26 00:23:06,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,411 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:23:06,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:23:06,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 22 [2022-11-26 00:23:06,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 15 treesize of output 1 [2022-11-26 00:23:06,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,521 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-26 00:23:06,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-26 00:23:06,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-26 00:23:06,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,570 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 8 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2022-11-26 00:23:06,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2022-11-26 00:23:06,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:23:06,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:06,644 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 64 [2022-11-26 00:23:06,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-26 00:23:07,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:23:07,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-26 00:23:07,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,348 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896995 treesize of output 5376286 [2022-11-26 00:23:07,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 29 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 8458577 treesize of output 4759834 [2022-11-26 00:23:07,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:23:07,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:23:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:23:07,653 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 31 [2022-11-26 00:23:07,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:23:07,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,777 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 36 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458592 treesize of output 4759837 [2022-11-26 00:23:07,853 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 46 [2022-11-26 00:23:07,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,948 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-26 00:23:07,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 33 treesize of output 74 [2022-11-26 00:23:07,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:07,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,067 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-26 00:23:08,068 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 12 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 49 treesize of output 85 [2022-11-26 00:23:08,317 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 16 treesize of output 12 [2022-11-26 00:23:08,325 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 14 treesize of output 10 [2022-11-26 00:23:08,334 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 14 treesize of output 10 [2022-11-26 00:23:08,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 64 treesize of output 63 [2022-11-26 00:23:08,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 66 treesize of output 65 [2022-11-26 00:23:08,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 64 treesize of output 63 [2022-11-26 00:23:08,422 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 14 treesize of output 10 [2022-11-26 00:23:08,429 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 16 treesize of output 12 [2022-11-26 00:23:08,437 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 14 treesize of output 10 [2022-11-26 00:23:08,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:23:08,543 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:23:08,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,664 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 30 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:23:08,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:23:08,934 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 29 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 8458573 treesize of output 4759755 [2022-11-26 00:23:08,962 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 42 [2022-11-26 00:23:08,989 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 16 [2022-11-26 00:23:10,551 INFO L217 Elim1Store]: Index analysis took 1199 ms [2022-11-26 00:23:18,422 WARN L233 SmtUtils]: Spent 7.87s on a formula simplification. DAG size of input: 85 DAG size of output: 22 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:23:18,423 INFO L321 Elim1Store]: treesize reduction 142, result has 15.5 percent of original size [2022-11-26 00:23:18,424 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 2 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 14 case distinctions, treesize of input 9519772 treesize of output 9519776 [2022-11-26 00:23:21,436 WARN L161 IndexEqualityManager]: solver failed to check if following equality is implied: (= 2 |v_ULTIMATE.start_main_#t~malloc45#1.base_4|) [2022-11-26 00:23:22,139 INFO L217 Elim1Store]: Index analysis took 3490 ms [2022-11-26 00:23:27,485 WARN L233 SmtUtils]: Spent 5.34s on a formula simplification. DAG size of input: 109 DAG size of output: 22 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:23:27,486 INFO L321 Elim1Store]: treesize reduction 206, result has 11.2 percent of original size [2022-11-26 00:23:27,487 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 4 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 22 case distinctions, treesize of input 9519777 treesize of output 9519780 [2022-11-26 00:23:42,871 WARN L233 SmtUtils]: Spent 15.34s on a formula simplification. DAG size of input: 67 DAG size of output: 32 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:23:42,871 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-26 00:23:42,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-26 00:23:43,114 INFO L217 Elim1Store]: Index analysis took 142 ms [2022-11-26 00:24:08,948 WARN L233 SmtUtils]: Spent 25.83s on a formula simplification. DAG size of input: 90 DAG size of output: 45 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:24:08,948 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-26 00:24:08,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 7 new quantified variables, introduced 8 case distinctions, treesize of input 2005 treesize of output 1819 [2022-11-26 00:24:09,762 INFO L217 Elim1Store]: Index analysis took 503 ms [2022-11-26 00:24:41,140 WARN L233 SmtUtils]: Spent 30.69s on a formula simplification. DAG size of input: 249 DAG size of output: 147 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-26 00:24:41,141 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-26 00:24:41,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 4 new quantified variables, introduced 16 case distinctions, treesize of input 1606 treesize of output 2097 [2022-11-26 00:24:42,333 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:42,335 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-26 00:24:42,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:42,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:42,519 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-26 00:24:43,697 INFO L217 Elim1Store]: Index analysis took 959 ms [2022-11-26 00:24:45,033 INFO L321 Elim1Store]: treesize reduction 36, result has 33.3 percent of original size [2022-11-26 00:24:45,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 6 case distinctions, treesize of input 82 treesize of output 108 [2022-11-26 00:24:45,276 INFO L217 Elim1Store]: Index analysis took 119 ms [2022-11-26 00:24:45,294 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:24:45,295 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 15 [2022-11-26 00:24:45,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:45,544 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-26 00:24:45,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 30 [2022-11-26 00:24:45,645 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:45,728 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:45,866 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:45,867 INFO L217 Elim1Store]: Index analysis took 139 ms [2022-11-26 00:24:45,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 152 treesize of output 212 [2022-11-26 00:24:46,310 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:46,439 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:46,439 INFO L217 Elim1Store]: Index analysis took 416 ms [2022-11-26 00:24:46,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 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 35 treesize of output 50 [2022-11-26 00:24:46,664 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:24:46,666 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2022-11-26 00:24:46,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:46,842 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 13 [2022-11-26 00:24:46,876 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:24:48,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:24:48,615 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-26 00:24:48,689 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:27:11,197 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:27:11,237 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:27:12,316 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-26 00:27:12,389 WARN L207 Elim1Store]: Array PQE input equivalent to false