./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-pthread/cs_lazy.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/config/TaipanReach.xml -i ../../sv-benchmarks/c/seq-pthread/cs_lazy.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta --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 b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f --- 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-dbf71c6-m [2022-10-17 17:37:18,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:37:18,232 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:37:18,269 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:37:18,270 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:37:18,271 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:37:18,273 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:37:18,275 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:37:18,277 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:37:18,278 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:37:18,280 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:37:18,281 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:37:18,282 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:37:18,292 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:37:18,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:37:18,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:37:18,298 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:37:18,300 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:37:18,303 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:37:18,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:37:18,314 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:37:18,315 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:37:18,319 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:37:18,320 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:37:18,330 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:37:18,330 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:37:18,331 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:37:18,333 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:37:18,334 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:37:18,335 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:37:18,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:37:18,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:37:18,339 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:37:18,341 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:37:18,343 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:37:18,344 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:37:18,345 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:37:18,345 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:37:18,345 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:37:18,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:37:18,347 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:37:18,348 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-10-17 17:37:18,396 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:37:18,396 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:37:18,397 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 17:37:18,397 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 17:37:18,398 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:37:18,399 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 17:37:18,399 INFO L138 SettingsManager]: * User list type=DISABLED [2022-10-17 17:37:18,399 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-10-17 17:37:18,399 INFO L138 SettingsManager]: * Explicit value domain=true [2022-10-17 17:37:18,400 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-10-17 17:37:18,401 INFO L138 SettingsManager]: * Octagon Domain=false [2022-10-17 17:37:18,401 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-10-17 17:37:18,401 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-10-17 17:37:18,401 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-10-17 17:37:18,402 INFO L138 SettingsManager]: * Interval Domain=false [2022-10-17 17:37:18,402 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-10-17 17:37:18,402 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-10-17 17:37:18,402 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-10-17 17:37:18,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:37:18,403 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:37:18,404 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:37:18,404 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:37:18,404 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:37:18,404 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:37:18,405 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:37:18,405 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:37:18,412 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:37:18,412 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:37:18,412 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:37:18,412 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:37:18,413 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:37:18,413 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 17:37:18,413 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:18,414 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:37:18,414 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-10-17 17:37:18,414 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:37:18,414 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:37:18,415 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-10-17 17:37:18,415 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:37:18,415 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:37:18,415 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-10-17 17:37:18,416 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_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b26873cfd586f35040b8fa56225beaa479db089ab89500d17d6395862bf9072f [2022-10-17 17:37:18,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:37:18,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:37:18,798 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:37:18,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:37:18,801 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:37:18,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/../../sv-benchmarks/c/seq-pthread/cs_lazy.i [2022-10-17 17:37:18,877 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/data/052056554/edcf361f8f494b2e80afa59f388e1af0/FLAG224e5101a [2022-10-17 17:37:19,526 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:37:19,527 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/sv-benchmarks/c/seq-pthread/cs_lazy.i [2022-10-17 17:37:19,543 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/data/052056554/edcf361f8f494b2e80afa59f388e1af0/FLAG224e5101a [2022-10-17 17:37:19,777 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/data/052056554/edcf361f8f494b2e80afa59f388e1af0 [2022-10-17 17:37:19,780 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:37:19,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:37:19,786 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:19,786 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:37:19,790 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:37:19,790 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:19" (1/1) ... [2022-10-17 17:37:19,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73503118 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:19, skipping insertion in model container [2022-10-17 17:37:19,793 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:37:19" (1/1) ... [2022-10-17 17:37:19,801 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:37:19,872 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:37:20,281 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_8d81f57e-c74f-434f-92ac-0249e63eb20a/sv-benchmarks/c/seq-pthread/cs_lazy.i[23394,23407] [2022-10-17 17:37:20,436 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:20,450 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:37:20,496 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_8d81f57e-c74f-434f-92ac-0249e63eb20a/sv-benchmarks/c/seq-pthread/cs_lazy.i[23394,23407] [2022-10-17 17:37:20,561 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:37:20,598 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:37:20,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20 WrapperNode [2022-10-17 17:37:20,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:37:20,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:37:20,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:37:20,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:37:20,608 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,631 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,680 INFO L138 Inliner]: procedures = 145, calls = 212, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 514 [2022-10-17 17:37:20,681 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:37:20,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:37:20,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:37:20,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:37:20,691 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,691 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,701 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,749 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,756 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:37:20,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:37:20,785 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:37:20,786 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:37:20,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (1/1) ... [2022-10-17 17:37:20,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 17:37:20,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:37:20,840 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 17:37:20,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 17:37:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 17:37:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 17:37:20,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:37:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 17:37:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-10-17 17:37:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2022-10-17 17:37:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2022-10-17 17:37:20,894 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2022-10-17 17:37:20,894 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2022-10-17 17:37:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-10-17 17:37:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2022-10-17 17:37:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2022-10-17 17:37:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-17 17:37:20,895 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2022-10-17 17:37:20,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 17:37:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-10-17 17:37:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2022-10-17 17:37:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2022-10-17 17:37:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:37:20,896 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2022-10-17 17:37:20,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2022-10-17 17:37:20,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:37:20,897 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:37:21,111 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:37:21,113 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:37:21,568 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##32: assume 0 != ~__CS_ret~0 % 256;thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2022-10-17 17:37:21,569 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##31: assume !(0 != ~__CS_ret~0 % 256); [2022-10-17 17:37:21,569 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##30: assume 0 != ~__CS_ret~0 % 256;thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2022-10-17 17:37:21,569 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##33: assume !(0 != ~__CS_ret~0 % 256); [2022-10-17 17:37:21,569 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L714: SUMMARY for call __CS_cs(); srcloc: null [2022-10-17 17:37:21,569 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume 0 != ~__CS_ret~0 % 256;thread3_#res#1.base, thread3_#res#1.offset := 0, 0; [2022-10-17 17:37:21,569 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint L714-1: assume !(0 != ~__CS_ret~0 % 256); [2022-10-17 17:37:24,056 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:37:24,326 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:37:24,327 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 17:37:24,329 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:37:24 BoogieIcfgContainer [2022-10-17 17:37:24,330 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:37:24,332 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 17:37:24,333 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 17:37:24,336 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 17:37:24,336 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 05:37:19" (1/3) ... [2022-10-17 17:37:24,337 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc41446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:37:24, skipping insertion in model container [2022-10-17 17:37:24,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:37:20" (2/3) ... [2022-10-17 17:37:24,338 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cc41446 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 05:37:24, skipping insertion in model container [2022-10-17 17:37:24,338 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:37:24" (3/3) ... [2022-10-17 17:37:24,340 INFO L112 eAbstractionObserver]: Analyzing ICFG cs_lazy.i [2022-10-17 17:37:24,366 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 17:37:24,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-10-17 17:37:24,436 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 17:37:24,443 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;@427c2c30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 17:37:24,443 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-10-17 17:37:24,448 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 67 states have internal predecessors, (94), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-10-17 17:37:24,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:37:24,458 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:37:24,459 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:37:24,460 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:37:24,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:37:24,468 INFO L85 PathProgramCache]: Analyzing trace with hash 37013084, now seen corresponding path program 1 times [2022-10-17 17:37:24,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:37:24,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939171094] [2022-10-17 17:37:24,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:37:24,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:37:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:37:25,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:37:25,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:37:25,170 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939171094] [2022-10-17 17:37:25,170 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939171094] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:37:25,171 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:37:25,171 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-10-17 17:37:25,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [641117426] [2022-10-17 17:37:25,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:37:25,178 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:37:25,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:37:25,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:37:25,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:37:25,222 INFO L87 Difference]: Start difference. First operand has 111 states, 66 states have (on average 1.4242424242424243) internal successors, (94), 67 states have internal predecessors, (94), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) Second operand has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 17:37:27,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:37:27,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:37:27,451 INFO L93 Difference]: Finished difference Result 221 states and 335 transitions. [2022-10-17 17:37:27,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:37:27,453 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-10-17 17:37:27,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:37:27,462 INFO L225 Difference]: With dead ends: 221 [2022-10-17 17:37:27,463 INFO L226 Difference]: Without dead ends: 111 [2022-10-17 17:37:27,468 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 [2022-10-17 17:37:27,471 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 2 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2022-10-17 17:37:27,472 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 288 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 43 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2022-10-17 17:37:27,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-10-17 17:37:27,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 110. [2022-10-17 17:37:27,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 66 states have (on average 1.393939393939394) internal successors, (92), 66 states have internal predecessors, (92), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-10-17 17:37:27,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 166 transitions. [2022-10-17 17:37:27,528 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 166 transitions. Word has length 12 [2022-10-17 17:37:27,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:37:27,529 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 166 transitions. [2022-10-17 17:37:27,529 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 17:37:27,529 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 166 transitions. [2022-10-17 17:37:27,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:37:27,532 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:37:27,532 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:37:27,532 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 17:37:27,533 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:37:27,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:37:27,533 INFO L85 PathProgramCache]: Analyzing trace with hash -462988879, now seen corresponding path program 1 times [2022-10-17 17:37:27,534 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:37:27,534 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342888025] [2022-10-17 17:37:27,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:37:27,534 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:37:27,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:37:27,756 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:37:27,757 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:37:27,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342888025] [2022-10-17 17:37:27,758 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342888025] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 17:37:27,758 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 17:37:27,759 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-10-17 17:37:27,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933321594] [2022-10-17 17:37:27,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 17:37:27,761 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-10-17 17:37:27,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-10-17 17:37:27,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-10-17 17:37:27,763 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-10-17 17:37:27,763 INFO L87 Difference]: Start difference. First operand 110 states and 166 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 17:37:30,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-10-17 17:37:30,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-10-17 17:37:30,785 INFO L93 Difference]: Finished difference Result 219 states and 332 transitions. [2022-10-17 17:37:30,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-10-17 17:37:30,786 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2022-10-17 17:37:30,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-10-17 17:37:30,788 INFO L225 Difference]: With dead ends: 219 [2022-10-17 17:37:30,789 INFO L226 Difference]: Without dead ends: 111 [2022-10-17 17:37:30,790 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 [2022-10-17 17:37:30,791 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 0 mSDsluCounter, 161 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-10-17 17:37:30,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 287 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 1 Unknown, 0 Unchecked, 3.0s Time] [2022-10-17 17:37:30,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2022-10-17 17:37:30,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2022-10-17 17:37:30,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.3880597014925373) internal successors, (93), 67 states have internal predecessors, (93), 37 states have call successors, (37), 6 states have call predecessors, (37), 6 states have return successors, (37), 37 states have call predecessors, (37), 37 states have call successors, (37) [2022-10-17 17:37:30,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 167 transitions. [2022-10-17 17:37:30,812 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 167 transitions. Word has length 14 [2022-10-17 17:37:30,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-10-17 17:37:30,812 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 167 transitions. [2022-10-17 17:37:30,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 17:37:30,813 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 167 transitions. [2022-10-17 17:37:30,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:37:30,816 INFO L187 NwaCegarLoop]: Found error trace [2022-10-17 17:37:30,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-10-17 17:37:30,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 17:37:30,817 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-10-17 17:37:30,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:37:30,822 INFO L85 PathProgramCache]: Analyzing trace with hash -1034080388, now seen corresponding path program 1 times [2022-10-17 17:37:30,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-10-17 17:37:30,823 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100130393] [2022-10-17 17:37:30,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:37:30,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:37:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:37:31,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:37:31,108 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-10-17 17:37:31,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2100130393] [2022-10-17 17:37:31,109 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2100130393] provided 0 perfect and 1 imperfect interpolant sequences [2022-10-17 17:37:31,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672773101] [2022-10-17 17:37:31,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 17:37:31,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-10-17 17:37:31,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/z3 [2022-10-17 17:37:31,118 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-10-17 17:37:31,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8d81f57e-c74f-434f-92ac-0249e63eb20a/bin/utaipan-G1rejxKTta/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-10-17 17:37:31,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:37:31,529 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 17:37:31,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 17:37:31,603 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:37:31,603 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-10-17 17:37:31,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:37:31,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672773101] provided 0 perfect and 2 imperfect interpolant sequences [2022-10-17 17:37:31,658 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [2016094089] [2022-10-17 17:37:31,678 INFO L159 IcfgInterpreter]: Started Sifa with 14 locations of interest [2022-10-17 17:37:31,678 INFO L166 IcfgInterpreter]: Building call graph [2022-10-17 17:37:31,681 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-10-17 17:37:31,687 INFO L176 IcfgInterpreter]: Starting interpretation [2022-10-17 17:37:31,687 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-10-17 17:37:31,871 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 21 [2022-10-17 17:37:31,901 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-10-17 17:37:31,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:32,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:32,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:32,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:32,950 INFO L356 Elim1Store]: treesize reduction 750, result has 17.9 percent of original size [2022-10-17 17:37:32,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 44 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 47 case distinctions, treesize of input 105 treesize of output 241 [2022-10-17 17:37:33,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,119 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 72 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 85 [2022-10-17 17:37:33,205 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 9 treesize of output 11 [2022-10-17 17:37:33,243 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 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 15 treesize of output 21 [2022-10-17 17:37:33,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,817 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 81 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 232 treesize of output 262 [2022-10-17 17:37:33,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:33,978 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 49 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 117 [2022-10-17 17:37:34,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:34,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:34,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:34,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:34,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:34,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:34,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:34,106 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 49 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 123 treesize of output 130 [2022-10-17 17:37:35,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:37:35,663 INFO L356 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-10-17 17:37:35,665 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 1578 treesize of output 1532 [2022-10-17 17:37:35,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:35,948 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:37:36,050 INFO L356 Elim1Store]: treesize reduction 108, result has 15.0 percent of original size [2022-10-17 17:37:36,052 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 37 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 1578 treesize of output 1532 [2022-10-17 17:37:36,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:37:36,405 INFO L356 Elim1Store]: treesize reduction 265, result has 16.4 percent of original size [2022-10-17 17:37:36,406 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 33 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 13 case distinctions, treesize of input 1583 treesize of output 1566 [2022-10-17 17:37:36,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,601 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:37:36,766 INFO L356 Elim1Store]: treesize reduction 200, result has 20.6 percent of original size [2022-10-17 17:37:36,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 34 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 13 case distinctions, treesize of input 1562 treesize of output 1545 [2022-10-17 17:37:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:37,717 INFO L356 Elim1Store]: treesize reduction 1238, result has 12.1 percent of original size [2022-10-17 17:37:37,718 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 77 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 20 case distinctions, treesize of input 1594 treesize of output 1496 [2022-10-17 17:37:41,356 INFO L356 Elim1Store]: treesize reduction 44, result has 40.5 percent of original size [2022-10-17 17:37:41,356 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 59 treesize of output 30 [2022-10-17 17:37:41,420 INFO L356 Elim1Store]: treesize reduction 45, result has 40.0 percent of original size [2022-10-17 17:37:41,420 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 59 [2022-10-17 17:37:41,468 INFO L356 Elim1Store]: treesize reduction 32, result has 48.4 percent of original size [2022-10-17 17:37:41,469 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 46 [2022-10-17 17:37:41,517 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:37:41,533 INFO L356 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-10-17 17:37:41,534 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 14 [2022-10-17 17:37:41,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:37:41,572 INFO L356 Elim1Store]: treesize reduction 25, result has 35.9 percent of original size [2022-10-17 17:37:41,573 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 14 [2022-10-17 17:37:41,589 INFO L173 IndexEqualityManager]: detected equality via solver [2022-10-17 17:37:41,608 INFO L356 Elim1Store]: treesize reduction 16, result has 46.7 percent of original size [2022-10-17 17:37:41,609 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 27 [2022-10-17 17:37:42,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,480 INFO L356 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-10-17 17:37:42,480 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 893 treesize of output 898 [2022-10-17 17:37:42,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,708 INFO L356 Elim1Store]: treesize reduction 92, result has 18.6 percent of original size [2022-10-17 17:37:42,708 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 905 treesize of output 929 [2022-10-17 17:37:42,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:42,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,510 INFO L356 Elim1Store]: treesize reduction 710, result has 10.1 percent of original size [2022-10-17 17:37:43,512 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 23 select indices, 23 select index equivalence classes, 106 disjoint index pairs (out of 253 index pairs), introduced 23 new quantified variables, introduced 31 case distinctions, treesize of input 905 treesize of output 937 [2022-10-17 17:37:43,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,695 INFO L356 Elim1Store]: treesize reduction 82, result has 20.4 percent of original size [2022-10-17 17:37:43,696 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 869 treesize of output 874 [2022-10-17 17:37:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-10-17 17:37:43,826 INFO L356 Elim1Store]: treesize reduction 66, result has 24.1 percent of original size [2022-10-17 17:37:43,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 34 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 868 treesize of output 892