./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/list-simple/dll2c_append_unequal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a 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_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/list-simple/dll2c_append_unequal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI --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 9aabbeff87ba819b44dc608a3105d0ba81b71cd88693ecf2e6bf3860a7863e64 --- 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-5e519f3 [2022-11-03 02:53:52,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:53:52,066 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:53:52,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:53:52,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:53:52,110 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:53:52,113 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:53:52,118 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:53:52,120 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:53:52,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:53:52,129 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:53:52,131 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:53:52,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:53:52,133 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:53:52,134 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:53:52,135 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:53:52,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:53:52,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:53:52,138 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:53:52,145 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:53:52,146 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:53:52,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:53:52,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:53:52,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:53:52,165 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:53:52,166 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:53:52,166 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:53:52,168 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:53:52,169 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:53:52,169 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:53:52,170 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:53:52,172 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:53:52,173 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:53:52,175 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:53:52,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:53:52,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:53:52,178 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:53:52,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:53:52,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:53:52,179 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:53:52,180 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:53:52,182 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:53:52,223 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:53:52,224 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:53:52,225 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:53:52,225 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:53:52,226 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:53:52,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:53:52,227 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:53:52,227 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:53:52,228 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:53:52,228 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:53:52,229 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:53:52,230 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:53:52,230 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:53:52,230 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:53:52,231 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:53:52,231 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:53:52,231 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:53:52,231 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:53:52,232 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:53:52,233 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:53:52,233 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:53:52,233 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:53:52,234 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:53:52,234 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:53:52,234 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:53:52,235 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:53:52,235 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:53:52,235 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:53:52,235 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:53:52,236 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:53:52,236 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:53:52,237 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:53:52,237 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:52,237 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:53:52,238 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:53:52,238 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:53:52,238 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:53:52,239 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:53:52,239 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:53:52,239 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:53:52,240 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:53:52,240 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_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9aabbeff87ba819b44dc608a3105d0ba81b71cd88693ecf2e6bf3860a7863e64 [2022-11-03 02:53:52,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:53:52,614 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:53:52,616 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:53:52,618 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:53:52,619 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:53:52,620 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2022-11-03 02:53:52,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/data/5c39ed1d5/d945acb4cfc148248e0f9f4357fc9e0e/FLAG03f26da7c [2022-11-03 02:53:53,279 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:53:53,279 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/sv-benchmarks/c/list-simple/dll2c_append_unequal.i [2022-11-03 02:53:53,296 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/data/5c39ed1d5/d945acb4cfc148248e0f9f4357fc9e0e/FLAG03f26da7c [2022-11-03 02:53:53,592 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/data/5c39ed1d5/d945acb4cfc148248e0f9f4357fc9e0e [2022-11-03 02:53:53,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:53:53,597 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:53:53,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:53,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:53:53,603 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:53:53,604 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:53" (1/1) ... [2022-11-03 02:53:53,607 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@26bde795 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:53, skipping insertion in model container [2022-11-03 02:53:53,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:53:53" (1/1) ... [2022-11-03 02:53:53,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:53:53,671 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:53:54,019 WARN L230 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_8c003a48-f344-4e7b-92a0-497f36f53713/sv-benchmarks/c/list-simple/dll2c_append_unequal.i[24672,24685] [2022-11-03 02:53:54,027 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:54,043 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:53:54,118 WARN L230 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_8c003a48-f344-4e7b-92a0-497f36f53713/sv-benchmarks/c/list-simple/dll2c_append_unequal.i[24672,24685] [2022-11-03 02:53:54,121 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:53:54,151 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:53:54,152 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54 WrapperNode [2022-11-03 02:53:54,152 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:53:54,153 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:54,153 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:53:54,153 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:53:54,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,220 INFO L138 Inliner]: procedures = 127, calls = 49, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 146 [2022-11-03 02:53:54,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:53:54,221 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:53:54,221 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:53:54,221 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:53:54,230 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,230 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,241 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,256 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,257 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:53:54,262 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:53:54,262 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:53:54,262 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:53:54,263 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (1/1) ... [2022-11-03 02:53:54,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:53:54,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:53:54,307 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:53:54,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:53:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:53:54,360 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:53:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure node_create [2022-11-03 02:53:54,361 INFO L138 BoogieDeclarations]: Found implementation of procedure node_create [2022-11-03 02:53:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:53:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:53:54,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:53:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:53:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:53:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:53:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:53:54,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:53:54,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:53:54,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:53:54,529 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:53:54,531 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:53:54,891 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:53:55,044 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:53:55,044 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-03 02:53:55,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:55 BoogieIcfgContainer [2022-11-03 02:53:55,047 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:53:55,049 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:53:55,050 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:53:55,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:53:55,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:53:53" (1/3) ... [2022-11-03 02:53:55,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cfee96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:55, skipping insertion in model container [2022-11-03 02:53:55,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:53:54" (2/3) ... [2022-11-03 02:53:55,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37cfee96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:53:55, skipping insertion in model container [2022-11-03 02:53:55,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:53:55" (3/3) ... [2022-11-03 02:53:55,059 INFO L112 eAbstractionObserver]: Analyzing ICFG dll2c_append_unequal.i [2022-11-03 02:53:55,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:53:55,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:53:55,153 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:53:55,165 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;@5402448e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:53:55,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:53:55,171 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:53:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-03 02:53:55,181 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:55,182 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:55,182 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:55,186 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:55,187 INFO L85 PathProgramCache]: Analyzing trace with hash 623339324, now seen corresponding path program 1 times [2022-11-03 02:53:55,197 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:55,198 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242582449] [2022-11-03 02:53:55,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:55,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:53:55,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-03 02:53:55,896 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:53:55,896 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242582449] [2022-11-03 02:53:55,897 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242582449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:53:55,897 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:53:55,897 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:53:55,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805533273] [2022-11-03 02:53:55,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:53:55,905 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:53:55,905 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:53:55,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:53:55,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:53:55,939 INFO L87 Difference]: Start difference. First operand has 25 states, 19 states have (on average 1.5263157894736843) internal successors, (29), 20 states have internal predecessors, (29), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:53:56,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:53:56,070 INFO L93 Difference]: Finished difference Result 47 states and 66 transitions. [2022-11-03 02:53:56,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:53:56,073 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2022-11-03 02:53:56,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:53:56,080 INFO L225 Difference]: With dead ends: 47 [2022-11-03 02:53:56,080 INFO L226 Difference]: Without dead ends: 22 [2022-11-03 02:53:56,082 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:53:56,088 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:53:56,088 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 47 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:53:56,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2022-11-03 02:53:56,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 20. [2022-11-03 02:53:56,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 15 states have (on average 1.2666666666666666) internal successors, (19), 15 states have internal predecessors, (19), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-03 02:53:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 25 transitions. [2022-11-03 02:53:56,125 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 25 transitions. Word has length 15 [2022-11-03 02:53:56,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:53:56,125 INFO L495 AbstractCegarLoop]: Abstraction has 20 states and 25 transitions. [2022-11-03 02:53:56,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:53:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2022-11-03 02:53:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 02:53:56,127 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:53:56,127 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:53:56,127 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:53:56,127 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:53:56,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:53:56,128 INFO L85 PathProgramCache]: Analyzing trace with hash 1863685629, now seen corresponding path program 1 times [2022-11-03 02:53:56,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:53:56,128 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1986111097] [2022-11-03 02:53:56,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:53:56,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:53:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:54:08,641 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:54:08,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1986111097] [2022-11-03 02:54:08,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1986111097] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:54:08,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [35783696] [2022-11-03 02:54:08,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:54:08,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:54:08,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:54:08,645 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:54:08,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8c003a48-f344-4e7b-92a0-497f36f53713/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:54:10,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:54:10,140 INFO L263 TraceCheckSpWp]: Trace formula consists of 684 conjuncts, 209 conjunts are in the unsatisfiable core [2022-11-03 02:54:10,159 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:54:10,227 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 02:54:10,312 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:54:10,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:10,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 14 [2022-11-03 02:54:10,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:10,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-03 02:54:10,796 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-03 02:54:10,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:10,937 INFO L356 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-03 02:54:10,938 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 22 treesize of output 33 [2022-11-03 02:54:11,090 INFO L390 Elim1Store]: Elim1 did not use preprocessing 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 9 treesize of output 11 [2022-11-03 02:54:11,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:11,105 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2022-11-03 02:54:11,112 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 18 [2022-11-03 02:54:11,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:11,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 23 [2022-11-03 02:54:11,289 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 02:54:11,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:11,304 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2022-11-03 02:54:11,313 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 12 treesize of output 11 [2022-11-03 02:54:11,500 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-03 02:54:11,501 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 89 treesize of output 40 [2022-11-03 02:54:11,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:11,515 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2022-11-03 02:54:11,524 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-03 02:54:11,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:11,775 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:54:11,776 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 97 treesize of output 77 [2022-11-03 02:54:11,805 INFO L356 Elim1Store]: treesize reduction 19, result has 47.2 percent of original size [2022-11-03 02:54:11,806 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 18 treesize of output 28 [2022-11-03 02:54:11,822 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 02:54:11,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:11,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:11,860 INFO L356 Elim1Store]: treesize reduction 8, result has 72.4 percent of original size [2022-11-03 02:54:11,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 33 [2022-11-03 02:54:11,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:11,883 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-03 02:54:12,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:54:12,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:12,389 INFO L356 Elim1Store]: treesize reduction 103, result has 14.9 percent of original size [2022-11-03 02:54:12,390 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 682 treesize of output 263 [2022-11-03 02:54:12,437 INFO L356 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2022-11-03 02:54:12,438 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 6 new quantified variables, introduced 3 case distinctions, treesize of input 2322 treesize of output 691 [2022-11-03 02:54:12,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:12,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:15,468 INFO L356 Elim1Store]: treesize reduction 1426, result has 8.5 percent of original size [2022-11-03 02:54:15,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 8 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 10 new quantified variables, introduced 21 case distinctions, treesize of input 564 treesize of output 1646 [2022-11-03 02:54:15,647 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 178 treesize of output 144 [2022-11-03 02:54:15,729 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1106 treesize of output 968 [2022-11-03 02:54:15,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:15,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:15,897 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 9 disjoint index pairs (out of 1 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 492 treesize of output 269 [2022-11-03 02:54:16,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:16,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:16,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 128 [2022-11-03 02:54:16,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:16,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:16,344 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 227 treesize of output 153 [2022-11-03 02:54:16,525 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 196 treesize of output 192 [2022-11-03 02:54:16,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 192 treesize of output 184 [2022-11-03 02:54:16,763 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 33 [2022-11-03 02:54:16,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 29 [2022-11-03 02:54:17,003 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 184 treesize of output 172 [2022-11-03 02:54:18,295 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 15 [2022-11-03 02:54:18,387 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 25 [2022-11-03 02:54:31,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:31,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:54:31,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:56:25,718 WARN L234 SmtUtils]: Spent 1.88m on a formula simplification. DAG size of input: 339 DAG size of output: 116 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 02:56:25,719 INFO L356 Elim1Store]: treesize reduction 1520, result has 16.9 percent of original size [2022-11-03 02:56:25,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 19 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 23 new quantified variables, introduced 41 case distinctions, treesize of input 13303 treesize of output 43011 [2022-11-03 02:56:35,233 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 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 62 treesize of output 54