./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/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_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/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_69efd184-769b-4d08-ad3c-53d4cdab9a63/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 bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 14:07:33,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 14:07:33,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 14:07:33,099 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 14:07:33,104 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 14:07:33,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 14:07:33,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 14:07:33,115 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 14:07:33,118 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 14:07:33,120 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 14:07:33,122 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 14:07:33,124 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 14:07:33,126 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 14:07:33,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 14:07:33,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 14:07:33,133 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 14:07:33,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 14:07:33,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 14:07:33,146 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 14:07:33,148 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 14:07:33,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 14:07:33,156 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 14:07:33,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 14:07:33,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 14:07:33,169 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 14:07:33,170 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 14:07:33,171 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 14:07:33,172 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 14:07:33,174 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 14:07:33,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 14:07:33,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 14:07:33,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 14:07:33,180 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 14:07:33,181 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 14:07:33,184 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 14:07:33,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 14:07:33,185 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 14:07:33,186 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 14:07:33,186 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 14:07:33,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 14:07:33,189 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 14:07:33,190 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-23 14:07:33,242 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 14:07:33,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 14:07:33,244 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 14:07:33,244 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 14:07:33,245 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 14:07:33,246 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 14:07:33,246 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 14:07:33,246 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 14:07:33,247 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 14:07:33,247 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 14:07:33,248 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 14:07:33,249 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 14:07:33,249 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 14:07:33,249 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 14:07:33,250 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 14:07:33,250 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 14:07:33,250 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 14:07:33,251 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 14:07:33,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 14:07:33,252 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 14:07:33,252 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 14:07:33,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 14:07:33,253 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 14:07:33,253 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 14:07:33,253 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 14:07:33,254 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 14:07:33,254 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 14:07:33,254 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 14:07:33,254 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 14:07:33,255 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 14:07:33,255 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 14:07:33,256 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 14:07:33,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:07:33,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 14:07:33,257 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 14:07:33,257 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 14:07:33,257 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 14:07:33,257 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 14:07:33,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 14:07:33,258 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 14:07:33,258 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 14:07:33,258 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_69efd184-769b-4d08-ad3c-53d4cdab9a63/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfb70cce6cd508003f6161c30aa2ac99ac8ddeb6209ddd86b65ca0c623c2fb1c [2022-11-23 14:07:33,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 14:07:33,645 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 14:07:33,648 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 14:07:33,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 14:07:33,650 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 14:07:33,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2022-11-23 14:07:37,222 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 14:07:37,560 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 14:07:37,561 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i [2022-11-23 14:07:37,577 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/data/a7aff203c/f75ce6db69dd4114a3ff72ec5e7f87fb/FLAG211648c4d [2022-11-23 14:07:37,595 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/data/a7aff203c/f75ce6db69dd4114a3ff72ec5e7f87fb [2022-11-23 14:07:37,598 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 14:07:37,600 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 14:07:37,602 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 14:07:37,602 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 14:07:37,607 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 14:07:37,608 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:37" (1/1) ... [2022-11-23 14:07:37,609 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46bbb36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:37, skipping insertion in model container [2022-11-23 14:07:37,609 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:07:37" (1/1) ... [2022-11-23 14:07:37,618 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 14:07:37,674 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 14:07:38,267 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_69efd184-769b-4d08-ad3c-53d4cdab9a63/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2022-11-23 14:07:38,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:07:38,453 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 14:07:38,519 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_69efd184-769b-4d08-ad3c-53d4cdab9a63/sv-benchmarks/c/uthash-2.0.2/uthash_OAT_test1-2.i[33021,33034] [2022-11-23 14:07:38,595 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 14:07:38,641 INFO L208 MainTranslator]: Completed translation [2022-11-23 14:07:38,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38 WrapperNode [2022-11-23 14:07:38,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 14:07:38,681 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 14:07:38,681 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 14:07:38,682 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 14:07:38,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,748 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,815 INFO L138 Inliner]: procedures = 177, calls = 237, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 772 [2022-11-23 14:07:38,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 14:07:38,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 14:07:38,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 14:07:38,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 14:07:38,829 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,838 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,885 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,889 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,893 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,900 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 14:07:38,901 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 14:07:38,902 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 14:07:38,902 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 14:07:38,903 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (1/1) ... [2022-11-23 14:07:38,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 14:07:38,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:07:38,943 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 14:07:38,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 14:07:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 14:07:39,008 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2022-11-23 14:07:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2022-11-23 14:07:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 14:07:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 14:07:39,009 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 14:07:39,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 14:07:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 14:07:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 14:07:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 14:07:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 14:07:39,010 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 14:07:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 14:07:39,011 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 14:07:39,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 14:07:39,217 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 14:07:39,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 14:07:40,701 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 14:07:41,146 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 14:07:41,146 INFO L300 CfgBuilder]: Removed 40 assume(true) statements. [2022-11-23 14:07:41,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:41 BoogieIcfgContainer [2022-11-23 14:07:41,150 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 14:07:41,153 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 14:07:41,153 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 14:07:41,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 14:07:41,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:07:37" (1/3) ... [2022-11-23 14:07:41,160 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a92bd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:41, skipping insertion in model container [2022-11-23 14:07:41,161 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:07:38" (2/3) ... [2022-11-23 14:07:41,163 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a92bd46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:07:41, skipping insertion in model container [2022-11-23 14:07:41,163 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:07:41" (3/3) ... [2022-11-23 14:07:41,164 INFO L112 eAbstractionObserver]: Analyzing ICFG uthash_OAT_test1-2.i [2022-11-23 14:07:41,191 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 14:07:41,191 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 14:07:41,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 14:07:41,284 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;@2fd097eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 14:07:41,285 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 14:07:41,291 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 14:07:41,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-23 14:07:41,302 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:41,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:07:41,303 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:41,312 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:41,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1188044108, now seen corresponding path program 1 times [2022-11-23 14:07:41,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:41,327 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331554096] [2022-11-23 14:07:41,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:41,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:41,640 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 14:07:41,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:41,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331554096] [2022-11-23 14:07:41,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331554096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:07:41,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 14:07:41,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 14:07:41,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081769457] [2022-11-23 14:07:41,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:07:41,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 14:07:41,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:07:41,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 14:07:41,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 14:07:41,702 INFO L87 Difference]: Start difference. First operand has 95 states, 78 states have (on average 1.7820512820512822) internal successors, (139), 89 states have internal predecessors, (139), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) 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 14:07:42,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:07:42,993 INFO L93 Difference]: Finished difference Result 237 states and 426 transitions. [2022-11-23 14:07:43,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 14:07:43,004 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 14:07:43,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:07:43,018 INFO L225 Difference]: With dead ends: 237 [2022-11-23 14:07:43,018 INFO L226 Difference]: Without dead ends: 128 [2022-11-23 14:07:43,023 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 14:07:43,027 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 49 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:07:43,028 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 219 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-23 14:07:43,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2022-11-23 14:07:43,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 81. [2022-11-23 14:07:43,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.2769230769230768) internal successors, (83), 75 states have internal predecessors, (83), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 14:07:43,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 109 transitions. [2022-11-23 14:07:43,118 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 109 transitions. Word has length 8 [2022-11-23 14:07:43,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:07:43,119 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 109 transitions. [2022-11-23 14:07:43,120 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 14:07:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 109 transitions. [2022-11-23 14:07:43,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-23 14:07:43,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:07:43,126 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 14:07:43,126 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 14:07:43,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:07:43,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:07:43,128 INFO L85 PathProgramCache]: Analyzing trace with hash -1591518395, now seen corresponding path program 1 times [2022-11-23 14:07:43,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:07:43,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189786806] [2022-11-23 14:07:43,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:43,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:07:43,401 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:07:43,402 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2132291551] [2022-11-23 14:07:43,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:07:43,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:07:43,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:07:43,411 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:07:43,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 14:07:44,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:07:44,393 INFO L263 TraceCheckSpWp]: Trace formula consists of 1576 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:07:44,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:07:44,506 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 14:07:44,506 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:07:44,580 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 14:07:44,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:07:44,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189786806] [2022-11-23 14:07:44,581 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:07:44,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132291551] [2022-11-23 14:07:44,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132291551] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:07:44,583 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [971549387] [2022-11-23 14:07:44,608 INFO L159 IcfgInterpreter]: Started Sifa with 31 locations of interest [2022-11-23 14:07:44,608 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:07:44,613 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:07:44,620 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:07:44,621 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:07:44,792 INFO L321 Elim1Store]: treesize reduction 20, result has 48.7 percent of original size [2022-11-23 14:07:44,793 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 14:07:44,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:44,841 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 14:07:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:44,858 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 14:07:44,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:44,875 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:07:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:44,897 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:07:44,899 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 14:07:44,983 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:07:44,984 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 14:07:45,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,621 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 14:07:45,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:45,700 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 14:07:45,749 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 14:07:45,779 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 14:07:46,258 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 14:07:46,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,327 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 14:07:46,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:07:46,433 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 14:07:46,496 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 14:07:46,541 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:07:54,961 WARN L233 SmtUtils]: Spent 5.44s on a formula simplification. DAG size of input: 219 DAG size of output: 208 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:08:02,528 WARN L233 SmtUtils]: Spent 5.40s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:08:02,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [971549387] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:08:02,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:08:02,537 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [3, 3] total 11 [2022-11-23 14:08:02,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253050819] [2022-11-23 14:08:02,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:08:02,539 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 14:08:02,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:08:02,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 14:08:02,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=69, Unknown=2, NotChecked=0, Total=132 [2022-11-23 14:08:02,541 INFO L87 Difference]: Start difference. First operand 81 states and 109 transitions. Second operand has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:08:05,899 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:08:08,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:08:10,648 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:08:12,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:08:12,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:08:12,700 INFO L93 Difference]: Finished difference Result 171 states and 229 transitions. [2022-11-23 14:08:12,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 14:08:12,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-23 14:08:12,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:08:12,709 INFO L225 Difference]: With dead ends: 171 [2022-11-23 14:08:12,709 INFO L226 Difference]: Without dead ends: 92 [2022-11-23 14:08:12,710 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 17.0s TimeCoverageRelationStatistics Valid=71, Invalid=83, Unknown=2, NotChecked=0, Total=156 [2022-11-23 14:08:12,712 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 14 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.1s IncrementalHoareTripleChecker+Time [2022-11-23 14:08:12,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 252 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 2 Unknown, 0 Unchecked, 9.1s Time] [2022-11-23 14:08:12,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-23 14:08:12,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2022-11-23 14:08:12,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 75 states have (on average 1.24) internal successors, (93), 85 states have internal predecessors, (93), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 4 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-23 14:08:12,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 119 transitions. [2022-11-23 14:08:12,736 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 119 transitions. Word has length 31 [2022-11-23 14:08:12,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:08:12,737 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 119 transitions. [2022-11-23 14:08:12,738 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 7 states have internal predecessors, (30), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 14:08:12,738 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 119 transitions. [2022-11-23 14:08:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-11-23 14:08:12,739 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:08:12,740 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] [2022-11-23 14:08:12,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-23 14:08:12,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:08:12,950 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:08:12,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:08:12,951 INFO L85 PathProgramCache]: Analyzing trace with hash -725737884, now seen corresponding path program 1 times [2022-11-23 14:08:12,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:08:12,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322761614] [2022-11-23 14:08:12,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:08:12,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:08:13,056 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:08:13,057 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [431948816] [2022-11-23 14:08:13,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:08:13,058 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:08:13,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:08:13,059 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:08:13,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 14:08:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:08:13,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 713 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:08:13,624 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:08:13,762 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 14:08:13,762 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:08:13,898 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 14:08:13,898 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:08:13,898 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322761614] [2022-11-23 14:08:13,899 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:08:13,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431948816] [2022-11-23 14:08:13,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [431948816] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:08:13,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [991560805] [2022-11-23 14:08:13,904 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-23 14:08:13,904 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:08:13,905 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:08:13,905 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:08:13,906 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:08:13,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:13,999 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 14:08:14,081 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:08:14,081 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 14:08:14,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,098 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:08:14,099 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 14:08:14,113 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 14:08:14,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,145 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 14:08:14,527 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 14:08:14,552 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 14:08:14,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,617 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 14:08:14,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,675 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 14:08:14,732 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 14:08:14,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,808 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 14:08:14,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,875 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 14:08:14,914 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 14:08:14,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:14,989 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 14:08:15,028 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 14:08:15,060 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 14:08:15,147 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:08:15,148 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 14:08:15,293 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:08:15,294 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 14:08:16,327 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 14:08:16,346 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 14:08:16,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,397 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 14:08:16,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,447 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 14:08:16,522 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 14:08:16,535 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 14:08:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,611 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 9897003 treesize of output 5376293 [2022-11-23 14:08:16,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,668 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 9897003 treesize of output 5376293 [2022-11-23 14:08:16,741 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 14:08:16,769 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 14:08:16,844 INFO L321 Elim1Store]: treesize reduction 48, result has 48.9 percent of original size [2022-11-23 14:08:16,845 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 14:08:16,939 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:08:16,939 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 14:08:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:08:17,002 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 14:08:17,130 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 241 for LOIs [2022-11-23 14:08:17,239 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-23 14:08:30,507 WARN L233 SmtUtils]: Spent 5.31s on a formula simplification. DAG size of input: 235 DAG size of output: 224 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:08:41,322 WARN L233 SmtUtils]: Spent 6.68s on a formula simplification. DAG size of input: 246 DAG size of output: 236 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:08:53,717 WARN L233 SmtUtils]: Spent 6.21s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:09:06,673 WARN L233 SmtUtils]: Spent 6.77s on a formula simplification. DAG size of input: 268 DAG size of output: 250 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-23 14:09:07,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [991560805] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 14:09:07,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 14:09:07,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [4, 4] total 17 [2022-11-23 14:09:07,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717583860] [2022-11-23 14:09:07,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 14:09:07,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-23 14:09:07,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 14:09:07,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-23 14:09:07,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-23 14:09:07,612 INFO L87 Difference]: Start difference. First operand 91 states and 119 transitions. Second operand has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 14:09:10,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:09:12,435 WARN L539 Checker$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 14:09:14,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:09:16,518 WARN L539 Checker$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 14:09:18,585 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:09:20,629 WARN L539 Checker$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 14:09:28,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [0] [2022-11-23 14:09:30,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-11-23 14:09:31,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 14:09:31,852 INFO L93 Difference]: Finished difference Result 175 states and 234 transitions. [2022-11-23 14:09:31,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-23 14:09:31,865 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 44 [2022-11-23 14:09:31,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 14:09:31,868 INFO L225 Difference]: With dead ends: 175 [2022-11-23 14:09:31,868 INFO L226 Difference]: Without dead ends: 96 [2022-11-23 14:09:31,869 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 113 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 86 ImplicationChecksByTransitivity, 50.4s TimeCoverageRelationStatistics Valid=91, Invalid=172, Unknown=9, NotChecked=0, Total=272 [2022-11-23 14:09:31,870 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 9 mSDsluCounter, 560 mSDsCounter, 0 mSdLazyCounter, 339 mSolverCounterSat, 4 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 351 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 339 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 24.2s IncrementalHoareTripleChecker+Time [2022-11-23 14:09:31,870 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 652 Invalid, 351 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 339 Invalid, 8 Unknown, 0 Unchecked, 24.2s Time] [2022-11-23 14:09:31,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2022-11-23 14:09:31,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2022-11-23 14:09:31,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 79 states have (on average 1.2278481012658229) internal successors, (97), 89 states have internal predecessors, (97), 14 states have call successors, (14), 3 states have call predecessors, (14), 2 states have return successors, (14), 4 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-23 14:09:31,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 125 transitions. [2022-11-23 14:09:31,929 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 125 transitions. Word has length 44 [2022-11-23 14:09:31,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 14:09:31,930 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 125 transitions. [2022-11-23 14:09:31,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 3.0833333333333335) internal successors, (37), 11 states have internal predecessors, (37), 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 14:09:31,930 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 125 transitions. [2022-11-23 14:09:31,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-11-23 14:09:31,933 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 14:09:31,933 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] [2022-11-23 14:09:31,942 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-23 14:09:32,142 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:09:32,142 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 14:09:32,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 14:09:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1505724306, now seen corresponding path program 1 times [2022-11-23 14:09:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 14:09:32,143 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865635610] [2022-11-23 14:09:32,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:09:32,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 14:09:32,194 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-11-23 14:09:32,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1836000562] [2022-11-23 14:09:32,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 14:09:32,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 14:09:32,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 14:09:32,196 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 14:09:32,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_69efd184-769b-4d08-ad3c-53d4cdab9a63/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 14:09:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 14:09:32,731 INFO L263 TraceCheckSpWp]: Trace formula consists of 728 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-23 14:09:32,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 14:09:32,804 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 14:09:32,805 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 14:09:32,888 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 14:09:32,888 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 14:09:32,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865635610] [2022-11-23 14:09:32,889 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-11-23 14:09:32,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836000562] [2022-11-23 14:09:32,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836000562] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 14:09:32,889 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [352728983] [2022-11-23 14:09:32,897 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-23 14:09:32,897 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 14:09:32,899 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 14:09:32,899 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 14:09:32,899 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 14:09:32,978 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-23 14:09:32,978 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 14:09:32,990 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 14:09:33,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,003 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:09:33,004 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 14:09:33,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,023 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 14:09:33,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,038 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 14:09:33,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,339 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 14:09:33,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,379 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 14:09:33,411 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 14:09:33,431 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 14:09:33,460 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 14:09:33,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,513 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 14:09:33,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,559 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 14:09:33,585 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 14:09:33,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:33,643 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 14:09:33,676 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 14:09:33,700 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 14:09:33,778 INFO L321 Elim1Store]: treesize reduction 90, result has 33.8 percent of original size [2022-11-23 14:09:33,778 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 14:09:33,796 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 14:09:33,974 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 13 treesize of output 9 [2022-11-23 14:09:33,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 14:09:33,984 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-23 14:09:34,031 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:09:34,032 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 54 [2022-11-23 14:09:34,070 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-23 14:09:34,071 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 52 [2022-11-23 14:09:34,104 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-23 14:09:34,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 46 [2022-11-23 14:09:34,160 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 14:09:34,166 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 14:09:34,174 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 14:09:34,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,272 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 14:09:34,300 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 14:09:34,319 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 14:09:34,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:09:34,531 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 14:09:34,550 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 14:09:34,569 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 14:09:35,398 INFO L217 Elim1Store]: Index analysis took 522 ms [2022-11-23 14:09:37,534 INFO L321 Elim1Store]: treesize reduction 96, result has 17.9 percent of original size [2022-11-23 14:09:37,535 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 10752658 treesize of output 10752661 [2022-11-23 14:09:38,377 INFO L217 Elim1Store]: Index analysis took 668 ms [2022-11-23 14:09:41,809 INFO L321 Elim1Store]: treesize reduction 144, result has 12.7 percent of original size [2022-11-23 14:09:41,810 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 10752663 treesize of output 10752665 [2022-11-23 14:09:53,925 WARN L233 SmtUtils]: Spent 12.05s 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 14:09:53,926 INFO L321 Elim1Store]: treesize reduction 340, result has 16.0 percent of original size [2022-11-23 14:09:53,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 1986 treesize of output 1476 [2022-11-23 14:10:22,491 WARN L233 SmtUtils]: Spent 28.41s 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 14:10:22,492 INFO L321 Elim1Store]: treesize reduction 266, result has 31.6 percent of original size [2022-11-23 14:10:22,492 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 1834 [2022-11-23 14:10:23,419 INFO L217 Elim1Store]: Index analysis took 766 ms [2022-11-23 14:10:53,597 WARN L233 SmtUtils]: Spent 29.48s 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 14:10:53,598 INFO L321 Elim1Store]: treesize reduction 2466, result has 32.0 percent of original size [2022-11-23 14:10:53,599 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 14:10:54,997 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:55,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 69 [2022-11-23 14:10:55,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:55,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:10:55,241 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-23 14:10:55,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 55 [2022-11-23 14:14:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:14:21,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 14:14:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:14:21,942 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 14:18:56,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:56,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11 [2022-11-23 14:18:56,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 14:18:56,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 11