./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6d35be8b8e312d4eada0f7530ae9d43ecf1865be922a243e0781a735d175935c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 15:44:02,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:44:02,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:44:02,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:44:02,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:44:02,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:44:02,797 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:44:02,799 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:44:02,801 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:44:02,802 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:44:02,803 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:44:02,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:44:02,805 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:44:02,806 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:44:02,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:44:02,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:44:02,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:44:02,810 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:44:02,812 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:44:02,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:44:02,816 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:44:02,817 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:44:02,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:44:02,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:44:02,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:44:02,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:44:02,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:44:02,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:44:02,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:44:02,826 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:44:02,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:44:02,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:44:02,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:44:02,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:44:02,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:44:02,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:44:02,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:44:02,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:44:02,833 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:44:02,834 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:44:02,835 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:44:02,836 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 15:44:02,878 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:44:02,879 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:44:02,879 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:44:02,879 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:44:02,880 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:44:02,880 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:44:02,881 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:44:02,881 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:44:02,881 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:44:02,881 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:44:02,882 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:44:02,882 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:44:02,882 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:44:02,882 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:44:02,883 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:44:02,883 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:44:02,883 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:44:02,883 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:44:02,884 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:44:02,884 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:44:02,884 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:44:02,885 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:44:02,885 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:44:02,885 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:44:02,885 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:44:02,886 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:44:02,886 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:44:02,886 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:44:02,886 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:44:02,886 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:44:02,887 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:44:02,887 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:44:02,887 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:02,887 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:44:02,888 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:44:02,888 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:44:02,888 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:44:02,888 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:44:02,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:44:02,889 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:44:02,889 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:44:02,889 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_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d35be8b8e312d4eada0f7530ae9d43ecf1865be922a243e0781a735d175935c [2022-11-23 15:44:03,166 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:44:03,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:44:03,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:44:03,233 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:44:03,247 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:44:03,248 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i [2022-11-23 15:44:06,150 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:44:06,467 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:44:06,467 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i [2022-11-23 15:44:06,491 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/data/1a1946c33/6a0e025111f84d7b9f6bdbe13f10fc62/FLAG939568098 [2022-11-23 15:44:06,513 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/data/1a1946c33/6a0e025111f84d7b9f6bdbe13f10fc62 [2022-11-23 15:44:06,518 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:44:06,520 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:44:06,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:06,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:44:06,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:44:06,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:06" (1/1) ... [2022-11-23 15:44:06,531 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cbc305c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:06, skipping insertion in model container [2022-11-23 15:44:06,532 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:44:06" (1/1) ... [2022-11-23 15:44:06,539 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:44:06,634 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:44:07,132 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_73ef28c8-a964-4202-b49d-37be67f59bad/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i[33021,33034] [2022-11-23 15:44:07,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:44:07,299 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:44:07,349 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_73ef28c8-a964-4202-b49d-37be67f59bad/sv-benchmarks/c/uthash-2.0.2/uthash_BER_test4-2.i[33021,33034] [2022-11-23 15:44:07,509 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:44:07,557 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:44:07,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07 WrapperNode [2022-11-23 15:44:07,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:44:07,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:44:07,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:44:07,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:44:07,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,703 INFO L138 Inliner]: procedures = 177, calls = 400, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1300 [2022-11-23 15:44:07,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:44:07,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:44:07,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:44:07,704 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:44:07,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,779 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,791 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,795 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:44:07,810 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:44:07,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:44:07,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:44:07,812 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (1/1) ... [2022-11-23 15:44:07,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:44:07,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:44:07,844 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:44:07,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:44:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:44:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 15:44:07,890 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 15:44:07,890 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:44:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:44:07,891 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:44:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:44:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:44:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:44:07,891 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:44:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:44:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:44:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:44:07,892 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:44:07,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:44:08,294 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:44:08,296 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:44:10,000 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:44:10,556 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:44:10,556 INFO L300 CfgBuilder]: Removed 69 assume(true) statements. [2022-11-23 15:44:10,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:10 BoogieIcfgContainer [2022-11-23 15:44:10,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:44:10,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:44:10,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:44:10,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:44:10,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:44:06" (1/3) ... [2022-11-23 15:44:10,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba9bdfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:10, skipping insertion in model container [2022-11-23 15:44:10,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:44:07" (2/3) ... [2022-11-23 15:44:10,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ba9bdfa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:44:10, skipping insertion in model container [2022-11-23 15:44:10,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:44:10" (3/3) ... [2022-11-23 15:44:10,567 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_BER_test4-2.i [2022-11-23 15:44:10,585 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:44:10,586 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:44:10,635 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:44:10,642 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;@35437305, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:44:10,642 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:44:10,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:44:10,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 15:44:10,655 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:10,656 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:44:10,656 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:44:10,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:10,661 INFO L85 PathProgramCache]: Analyzing trace with hash 190255821, now seen corresponding path program 1 times [2022-11-23 15:44:10,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:10,672 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389587741] [2022-11-23 15:44:10,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:10,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:44:10,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:10,910 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:44:10,910 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389587741] [2022-11-23 15:44:10,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389587741] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:44:10,911 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:44:10,911 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 15:44:10,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860654746] [2022-11-23 15:44:10,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:44:10,917 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:44:10,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:44:10,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:44:10,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:44:10,948 INFO L87 Difference]: Start difference. First operand has 141 states, 121 states have (on average 1.7933884297520661) internal successors, (217), 132 states have internal predecessors, (217), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-23 15:44:12,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:12,275 INFO L93 Difference]: Finished difference Result 375 states and 678 transitions. [2022-11-23 15:44:12,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:44:12,282 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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 8 [2022-11-23 15:44:12,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:12,293 INFO L225 Difference]: With dead ends: 375 [2022-11-23 15:44:12,293 INFO L226 Difference]: Without dead ends: 220 [2022-11-23 15:44:12,297 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:44:12,300 INFO L413 NwaCegarLoop]: 175 mSDtfsCounter, 97 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 332 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:12,302 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 332 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-23 15:44:12,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2022-11-23 15:44:12,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 127. [2022-11-23 15:44:12,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 108 states have (on average 1.212962962962963) internal successors, (131), 118 states have internal predecessors, (131), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:44:12,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 163 transitions. [2022-11-23 15:44:12,353 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 163 transitions. Word has length 8 [2022-11-23 15:44:12,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:12,353 INFO L495 AbstractCegarLoop]: Abstraction has 127 states and 163 transitions. [2022-11-23 15:44:12,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-11-23 15:44:12,354 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 163 transitions. [2022-11-23 15:44:12,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-23 15:44:12,358 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:12,358 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:44:12,358 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:44:12,358 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:44:12,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:12,359 INFO L85 PathProgramCache]: Analyzing trace with hash -910103328, now seen corresponding path program 1 times [2022-11-23 15:44:12,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:12,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [771283745] [2022-11-23 15:44:12,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:12,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:12,699 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:44:12,699 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [441956792] [2022-11-23 15:44:12,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:12,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:44:12,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:44:12,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:44:12,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:44:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:44:14,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 3056 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:44:14,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:44:14,171 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:14,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:44:14,260 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:44:14,261 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:44:14,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [771283745] [2022-11-23 15:44:14,261 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:44:14,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441956792] [2022-11-23 15:44:14,262 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441956792] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:44:14,262 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2135076222] [2022-11-23 15:44:14,282 INFO L159 IcfgInterpreter]: Started Sifa with 52 locations of interest [2022-11-23 15:44:14,282 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:44:14,286 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:44:14,291 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:44:14,292 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:44:14,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:14,456 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:44:14,498 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:44:14,498 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 15:44:14,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:14,518 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:44:14,528 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 [2022-11-23 15:44:14,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:14,540 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:44:14,542 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 15:44:15,070 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 [2022-11-23 15:44:15,092 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 [2022-11-23 15:44:15,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,151 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:44:15,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 15:44:15,291 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 15:44:15,292 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 15:44:15,341 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:44:15,341 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 15:44:15,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:44:15,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:44:15,372 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 15:44:15,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:44:15,872 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 [2022-11-23 15:44:15,891 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 [2022-11-23 15:44:15,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:44:15,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:15,999 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9896988 treesize of output 5376290 [2022-11-23 15:44:16,042 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:44:23,965 WARN L233 SmtUtils]: Spent 5.08s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:44:31,156 WARN L233 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:44:31,163 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [2135076222] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:44:31,163 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:44:31,164 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-23 15:44:31,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673772913] [2022-11-23 15:44:31,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:44:31,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:44:31,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:44:31,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:44:31,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-23 15:44:31,167 INFO L87 Difference]: Start difference. First operand 127 states and 163 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-11-23 15:44:36,401 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:44:38,510 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:44:40,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:44:42,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:44:42,595 INFO L93 Difference]: Finished difference Result 265 states and 340 transitions. [2022-11-23 15:44:42,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:44:42,596 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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 52 [2022-11-23 15:44:42,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:44:42,598 INFO L225 Difference]: With dead ends: 265 [2022-11-23 15:44:42,598 INFO L226 Difference]: Without dead ends: 140 [2022-11-23 15:44:42,599 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.9s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-23 15:44:42,600 INFO L413 NwaCegarLoop]: 142 mSDtfsCounter, 14 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:44:42,601 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 265 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 97 Invalid, 3 Unknown, 0 Unchecked, 8.6s Time] [2022-11-23 15:44:42,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-23 15:44:42,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 137. [2022-11-23 15:44:42,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 118 states have (on average 1.194915254237288) internal successors, (141), 128 states have internal predecessors, (141), 16 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (16), 7 states have call predecessors, (16), 16 states have call successors, (16) [2022-11-23 15:44:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 173 transitions. [2022-11-23 15:44:42,657 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 173 transitions. Word has length 52 [2022-11-23 15:44:42,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:44:42,658 INFO L495 AbstractCegarLoop]: Abstraction has 137 states and 173 transitions. [2022-11-23 15:44:42,658 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 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) [2022-11-23 15:44:42,658 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 173 transitions. [2022-11-23 15:44:42,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-11-23 15:44:42,661 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:44:42,662 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:44:42,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:44:42,875 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:44:42,875 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:44:42,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:44:42,876 INFO L85 PathProgramCache]: Analyzing trace with hash 1562765067, now seen corresponding path program 1 times [2022-11-23 15:44:42,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:44:42,876 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820050957] [2022-11-23 15:44:42,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:42,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:44:43,079 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:44:43,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [116506175] [2022-11-23 15:44:43,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:44:43,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:44:43,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:44:43,083 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:44:43,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:44:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:44:44,203 INFO L263 TraceCheckSpWp]: Trace formula consists of 2193 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:44:44,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:44:44,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:44:44,364 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:44:44,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-23 15:44:44,515 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:44:44,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820050957] [2022-11-23 15:44:44,515 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:44:44,515 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [116506175] [2022-11-23 15:44:44,515 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [116506175] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:44:44,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1950428468] [2022-11-23 15:44:44,519 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-23 15:44:44,520 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:44:44,520 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:44:44,520 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:44:44,521 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:44:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:44,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:44:44,642 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 15:44:44,643 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 30 [2022-11-23 15:44:44,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:44,713 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:44:44,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:44,737 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:44:44,737 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-23 15:44:44,789 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:44:44,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 15:44:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:44,815 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:44:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,162 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:44:45,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,214 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 15:44:45,257 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 [2022-11-23 15:44:45,275 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 [2022-11-23 15:44:45,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,357 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:44:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:44:45,488 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 [2022-11-23 15:44:45,501 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 [2022-11-23 15:44:45,545 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 [2022-11-23 15:44:45,607 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 15:44:45,607 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 66 [2022-11-23 15:44:45,693 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:44:45,693 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 15:44:45,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:45,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:44:45,786 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 [2022-11-23 15:44:46,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:44:46,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,075 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 15:44:46,075 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 1 case distinctions, treesize of input 33 treesize of output 43 [2022-11-23 15:44:46,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:44:46,133 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:44:46,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 15:44:46,147 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 [2022-11-23 15:44:46,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:44:46,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:44:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,671 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 15:44:46,711 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 [2022-11-23 15:44:46,732 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 [2022-11-23 15:44:46,817 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 [2022-11-23 15:44:46,829 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 [2022-11-23 15:44:46,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:44:46,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:46,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:44:47,064 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 [2022-11-23 15:44:47,139 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:44:47,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 15:44:47,156 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 28 treesize of output 36 [2022-11-23 15:44:47,180 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 [2022-11-23 15:44:47,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:44:47,227 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:44:47,649 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-23 15:44:47,751 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 15:44:55,710 WARN L233 SmtUtils]: Spent 5.14s on a formula simplification. DAG size of input: 223 DAG size of output: 212 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:45:03,558 WARN L233 SmtUtils]: Spent 5.75s on a formula simplification. DAG size of input: 239 DAG size of output: 228 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:45:14,178 WARN L233 SmtUtils]: Spent 6.46s on a formula simplification. DAG size of input: 250 DAG size of output: 240 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:45:27,655 WARN L233 SmtUtils]: Spent 7.32s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:45:39,996 WARN L233 SmtUtils]: Spent 6.15s on a formula simplification. DAG size of input: 272 DAG size of output: 254 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 15:45:40,623 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1950428468] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:45:40,623 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:45:40,624 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-23 15:45:40,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094011148] [2022-11-23 15:45:40,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:45:40,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 15:45:40,625 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:45:40,625 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 15:45:40,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=172, Unknown=10, NotChecked=0, Total=272 [2022-11-23 15:45:40,626 INFO L87 Difference]: Start difference. First operand 137 states and 173 transitions. Second operand has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:45:44,105 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:45:46,207 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:45:48,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:45:50,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:45:52,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:45:54,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:46:01,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 15:46:01,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:46:01,165 INFO L93 Difference]: Finished difference Result 267 states and 342 transitions. [2022-11-23 15:46:01,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 15:46:01,166 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 65 [2022-11-23 15:46:01,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:46:01,167 INFO L225 Difference]: With dead ends: 267 [2022-11-23 15:46:01,168 INFO L226 Difference]: Without dead ends: 142 [2022-11-23 15:46:01,169 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 176 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 53.9s TimeCoverageRelationStatistics Valid=100, Invalid=196, Unknown=10, NotChecked=0, Total=306 [2022-11-23 15:46:01,170 INFO L413 NwaCegarLoop]: 141 mSDtfsCounter, 14 mSDsluCounter, 312 mSDsCounter, 0 mSdLazyCounter, 251 mSolverCounterSat, 6 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 453 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 251 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:46:01,170 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 453 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 251 Invalid, 6 Unknown, 0 Unchecked, 19.4s Time] [2022-11-23 15:46:01,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2022-11-23 15:46:01,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2022-11-23 15:46:01,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 122 states have (on average 1.1885245901639345) internal successors, (145), 132 states have internal predecessors, (145), 17 states have call successors, (17), 3 states have call predecessors, (17), 2 states have return successors, (17), 7 states have call predecessors, (17), 17 states have call successors, (17) [2022-11-23 15:46:01,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 179 transitions. [2022-11-23 15:46:01,210 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 179 transitions. Word has length 65 [2022-11-23 15:46:01,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:46:01,211 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 179 transitions. [2022-11-23 15:46:01,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 4.833333333333333) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:46:01,211 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 179 transitions. [2022-11-23 15:46:01,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-11-23 15:46:01,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:46:01,223 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:46:01,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 15:46:01,435 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:46:01,435 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:46:01,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:46:01,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1076213087, now seen corresponding path program 1 times [2022-11-23 15:46:01,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:46:01,436 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234873599] [2022-11-23 15:46:01,436 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:46:01,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:46:01,597 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 15:46:01,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1614397611] [2022-11-23 15:46:01,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:46:01,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:46:01,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:46:01,599 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:46:01,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_73ef28c8-a964-4202-b49d-37be67f59bad/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:46:02,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:46:02,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 2208 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 15:46:02,903 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:46:03,024 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:46:03,024 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:46:03,161 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-23 15:46:03,162 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:46:03,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234873599] [2022-11-23 15:46:03,162 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 15:46:03,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1614397611] [2022-11-23 15:46:03,162 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1614397611] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:46:03,162 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [117075224] [2022-11-23 15:46:03,166 INFO L159 IcfgInterpreter]: Started Sifa with 62 locations of interest [2022-11-23 15:46:03,166 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:46:03,166 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:46:03,167 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:46:03,167 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:46:03,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,242 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:46:03,287 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 15:46:03,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 27 treesize of output 41 [2022-11-23 15:46:03,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 7 [2022-11-23 15:46:03,310 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 [2022-11-23 15:46:03,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,322 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 15:46:03,323 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 39 [2022-11-23 15:46:03,638 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 [2022-11-23 15:46:03,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,685 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 9896990 treesize of output 5376278 [2022-11-23 15:46:03,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 25 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 9075036 treesize of output 5376290 [2022-11-23 15:46:03,769 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 [2022-11-23 15:46:03,801 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 [2022-11-23 15:46:03,811 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 [2022-11-23 15:46:03,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:46:03,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:03,924 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:46:03,985 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 [2022-11-23 15:46:04,066 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 15:46:04,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 44 treesize of output 77 [2022-11-23 15:46:04,082 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 28 treesize of output 36 [2022-11-23 15:46:04,108 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 [2022-11-23 15:46:04,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,153 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 32 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075051 treesize of output 5376293 [2022-11-23 15:46:04,344 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 [2022-11-23 15:46:04,350 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 [2022-11-23 15:46:04,356 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 [2022-11-23 15:46:04,375 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 [2022-11-23 15:46:04,384 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 [2022-11-23 15:46:04,393 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 [2022-11-23 15:46:04,415 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 [2022-11-23 15:46:04,421 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 [2022-11-23 15:46:04,427 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 [2022-11-23 15:46:04,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 15:46:04,537 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 [2022-11-23 15:46:04,558 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 [2022-11-23 15:46:04,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:46:04,735 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 25 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 9075032 treesize of output 5376218 [2022-11-23 15:46:04,753 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 [2022-11-23 15:46:04,771 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 [2022-11-23 15:46:08,976 INFO L217 Elim1Store]: Index analysis took 3631 ms [2022-11-23 15:46:11,422 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-23 15:46:11,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 10752670 treesize of output 10752673 [2022-11-23 15:46:12,832 INFO L217 Elim1Store]: Index analysis took 1245 ms [2022-11-23 15:46:15,143 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-23 15:46:15,144 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 4 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 10752675 treesize of output 10752677 [2022-11-23 15:46:27,564 WARN L233 SmtUtils]: Spent 12.36s 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) [2022-11-23 15:46:27,565 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 15:46:27,565 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 1481 [2022-11-23 15:46:53,537 WARN L233 SmtUtils]: Spent 25.82s 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) [2022-11-23 15:46:53,537 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 15:46:53,538 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 1824 [2022-11-23 15:46:54,456 INFO L217 Elim1Store]: Index analysis took 647 ms [2022-11-23 15:47:13,976 WARN L233 SmtUtils]: Spent 19.06s 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) [2022-11-23 15:47:13,977 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 15:47:13,977 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 [2022-11-23 15:47:15,973 INFO L321 Elim1Store]: treesize reduction 13, result has 38.1 percent of original size [2022-11-23 15:47:15,974 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 2 new quantified variables, introduced 3 case distinctions, treesize of input 91 treesize of output 73 [2022-11-23 15:47:16,113 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 7 treesize of output 3 [2022-11-23 15:47:16,424 INFO L217 Elim1Store]: Index analysis took 225 ms [2022-11-23 15:47:17,594 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:47:17,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 70 treesize of output 94 [2022-11-23 15:47:24,945 INFO L217 Elim1Store]: Index analysis took 896 ms