./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/busybox-1.22.0/hostid.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 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_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/busybox-1.22.0/hostid.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 --- 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-b5237d8 [2022-11-22 00:22:26,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:22:26,194 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:22:26,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:22:26,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:22:26,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:22:26,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:22:26,236 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:22:26,238 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:22:26,244 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:22:26,245 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:22:26,247 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:22:26,248 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:22:26,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:22:26,255 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:22:26,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:22:26,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:22:26,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:22:26,265 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:22:26,272 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:22:26,273 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:22:26,275 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:22:26,277 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:22:26,279 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:22:26,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:22:26,289 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:22:26,289 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:22:26,291 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:22:26,292 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:22:26,293 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:22:26,293 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:22:26,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:22:26,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:22:26,297 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:22:26,299 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:22:26,299 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:22:26,300 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:22:26,300 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:22:26,300 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:22:26,302 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:22:26,303 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:22:26,304 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 00:22:26,342 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:22:26,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:22:26,343 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:22:26,344 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:22:26,344 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:22:26,345 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:22:26,345 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:22:26,345 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:22:26,346 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:22:26,346 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:22:26,347 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:22:26,347 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:22:26,348 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:22:26,348 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:22:26,348 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:22:26,348 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:22:26,349 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:22:26,349 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:22:26,350 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:22:26,350 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:22:26,351 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:22:26,351 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:22:26,351 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:22:26,352 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:22:26,352 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:22:26,352 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 00:22:26,353 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:22:26,353 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:22:26,353 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:22:26,354 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:22:26,354 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:22:26,354 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:22:26,355 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:22:26,355 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:22:26,355 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:22:26,356 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:22:26,356 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:22:26,356 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:22:26,356 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:22:26,357 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:22:26,357 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_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de0fc62ae58e6d221c3194714bc6cea21909b72dd1b37b4566b87d84683f34c8 [2022-11-22 00:22:26,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:22:26,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:22:26,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:22:26,685 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:22:26,686 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:22:26,687 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/busybox-1.22.0/hostid.i [2022-11-22 00:22:29,714 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:22:30,149 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:22:30,150 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/sv-benchmarks/c/busybox-1.22.0/hostid.i [2022-11-22 00:22:30,172 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/data/4b1f8294f/bdca0ce1e8ad4498a2551d1e68a371a4/FLAG88b1c412b [2022-11-22 00:22:30,187 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/data/4b1f8294f/bdca0ce1e8ad4498a2551d1e68a371a4 [2022-11-22 00:22:30,190 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:22:30,191 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:22:30,192 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:22:30,193 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:22:30,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:22:30,197 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:22:30" (1/1) ... [2022-11-22 00:22:30,198 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48707fbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:30, skipping insertion in model container [2022-11-22 00:22:30,199 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:22:30" (1/1) ... [2022-11-22 00:22:30,206 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:22:30,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:22:31,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:22:31,317 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:22:31,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:22:31,613 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:22:31,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31 WrapperNode [2022-11-22 00:22:31,613 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:22:31,614 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:22:31,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:22:31,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:22:31,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,673 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,719 INFO L138 Inliner]: procedures = 524, calls = 61, calls flagged for inlining = 7, calls inlined = 6, statements flattened = 138 [2022-11-22 00:22:31,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:22:31,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:22:31,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:22:31,720 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:22:31,731 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,732 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,740 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,747 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,758 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,766 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,768 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:22:31,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:22:31,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:22:31,774 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:22:31,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (1/1) ... [2022-11-22 00:22:31,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:22:31,814 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:31,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:22:31,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:22:31,875 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:22:31,876 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:22:31,883 INFO L130 BoogieDeclarations]: Found specification of procedure fflush [2022-11-22 00:22:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:22:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-22 00:22:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:22:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:22:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-22 00:22:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-22 00:22:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-22 00:22:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:22:31,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:22:32,253 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:22:32,256 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:22:32,599 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:22:32,673 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:22:32,673 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-22 00:22:32,676 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:22:32 BoogieIcfgContainer [2022-11-22 00:22:32,676 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:22:32,679 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:22:32,679 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:22:32,683 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:22:32,683 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:22:30" (1/3) ... [2022-11-22 00:22:32,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaf1e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:22:32, skipping insertion in model container [2022-11-22 00:22:32,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:22:31" (2/3) ... [2022-11-22 00:22:32,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aaf1e29 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:22:32, skipping insertion in model container [2022-11-22 00:22:32,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:22:32" (3/3) ... [2022-11-22 00:22:32,689 INFO L112 eAbstractionObserver]: Analyzing ICFG hostid.i [2022-11-22 00:22:32,711 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:22:32,711 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-11-22 00:22:32,763 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:22:32,770 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;@1bbda1e2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:22:32,770 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-11-22 00:22:32,778 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 30 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:32,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-22 00:22:32,789 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:32,790 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-22 00:22:32,791 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:32,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:32,801 INFO L85 PathProgramCache]: Analyzing trace with hash 134862, now seen corresponding path program 1 times [2022-11-22 00:22:32,811 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:32,811 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451813588] [2022-11-22 00:22:32,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:32,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:33,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:33,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:33,217 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:33,217 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1451813588] [2022-11-22 00:22:33,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1451813588] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:33,219 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:22:33,219 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 00:22:33,220 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771076490] [2022-11-22 00:22:33,222 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:33,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:22:33,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:33,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:22:33,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:22:33,253 INFO L87 Difference]: Start difference. First operand has 33 states, 18 states have (on average 1.8888888888888888) internal successors, (34), 30 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:22:33,317 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:33,318 INFO L93 Difference]: Finished difference Result 65 states and 71 transitions. [2022-11-22 00:22:33,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:22:33,321 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-22 00:22:33,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:33,331 INFO L225 Difference]: With dead ends: 65 [2022-11-22 00:22:33,331 INFO L226 Difference]: Without dead ends: 35 [2022-11-22 00:22:33,335 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:22:33,342 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 1 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:33,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 52 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:33,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-22 00:22:33,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-22 00:22:33,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 21 states have (on average 1.7142857142857142) internal successors, (36), 32 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:33,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2022-11-22 00:22:33,382 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 3 [2022-11-22 00:22:33,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:33,382 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2022-11-22 00:22:33,383 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:22:33,384 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2022-11-22 00:22:33,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 00:22:33,385 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:33,385 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-22 00:22:33,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:22:33,386 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:33,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:33,387 INFO L85 PathProgramCache]: Analyzing trace with hash -277248926, now seen corresponding path program 1 times [2022-11-22 00:22:33,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:33,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2114106330] [2022-11-22 00:22:33,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:33,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:33,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:33,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:22:33,517 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:33,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2114106330] [2022-11-22 00:22:33,518 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2114106330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:33,518 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:22:33,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 00:22:33,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374281834] [2022-11-22 00:22:33,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:33,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:22:33,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:33,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:22:33,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:22:33,538 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:22:33,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:33,568 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2022-11-22 00:22:33,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:22:33,569 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2022-11-22 00:22:33,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:33,570 INFO L225 Difference]: With dead ends: 35 [2022-11-22 00:22:33,571 INFO L226 Difference]: Without dead ends: 34 [2022-11-22 00:22:33,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 00:22:33,573 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:33,575 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 50 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:33,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2022-11-22 00:22:33,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2022-11-22 00:22:33,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 21 states have (on average 1.6666666666666667) internal successors, (35), 31 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:33,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 37 transitions. [2022-11-22 00:22:33,584 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 37 transitions. Word has length 6 [2022-11-22 00:22:33,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:33,584 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 37 transitions. [2022-11-22 00:22:33,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:22:33,584 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 37 transitions. [2022-11-22 00:22:33,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 00:22:33,585 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:33,585 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-11-22 00:22:33,585 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:22:33,586 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:33,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:33,586 INFO L85 PathProgramCache]: Analyzing trace with hash -4782069, now seen corresponding path program 1 times [2022-11-22 00:22:33,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:33,587 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860984429] [2022-11-22 00:22:33,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:33,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:33,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:33,698 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:33,699 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:33,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860984429] [2022-11-22 00:22:33,699 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860984429] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:33,699 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [418809290] [2022-11-22 00:22:33,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:33,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:33,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:33,707 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:33,729 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 00:22:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:33,880 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 00:22:33,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:33,940 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:33,941 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:22:33,943 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [418809290] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:33,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:22:33,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2022-11-22 00:22:33,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015422933] [2022-11-22 00:22:33,944 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:33,944 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 00:22:33,945 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:33,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 00:22:33,946 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:33,946 INFO L87 Difference]: Start difference. First operand 34 states and 37 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:22:33,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:33,985 INFO L93 Difference]: Finished difference Result 34 states and 37 transitions. [2022-11-22 00:22:33,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 00:22:33,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-22 00:22:33,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:33,987 INFO L225 Difference]: With dead ends: 34 [2022-11-22 00:22:33,987 INFO L226 Difference]: Without dead ends: 33 [2022-11-22 00:22:33,988 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:33,989 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 26 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:33,989 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 27 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:33,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-22 00:22:33,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 31. [2022-11-22 00:22:33,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.6842105263157894) internal successors, (32), 28 states have internal predecessors, (32), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:33,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2022-11-22 00:22:33,995 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 7 [2022-11-22 00:22:33,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:33,995 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2022-11-22 00:22:33,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:22:33,996 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2022-11-22 00:22:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 00:22:33,996 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:33,997 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:34,011 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 00:22:34,203 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:34,204 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:34,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:34,205 INFO L85 PathProgramCache]: Analyzing trace with hash -201735823, now seen corresponding path program 1 times [2022-11-22 00:22:34,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:34,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450867991] [2022-11-22 00:22:34,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:34,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:34,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:34,319 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:34,319 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:34,319 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450867991] [2022-11-22 00:22:34,320 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450867991] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:34,320 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2010980356] [2022-11-22 00:22:34,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:34,320 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:34,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:34,322 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:34,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 00:22:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:34,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 00:22:34,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:34,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:34,474 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:22:34,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:34,516 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2010980356] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:22:34,516 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [435551433] [2022-11-22 00:22:34,544 INFO L159 IcfgInterpreter]: Started Sifa with 9 locations of interest [2022-11-22 00:22:34,544 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:22:34,549 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:22:34,555 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:22:34,556 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:22:34,679 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-11-22 00:22:34,680 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 42 [2022-11-22 00:22:34,758 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:22:34,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:22:34,779 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:34,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:34,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 32 [2022-11-22 00:22:34,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-22 00:22:34,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:34,896 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-11-22 00:22:34,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:34,924 INFO L350 Elim1Store]: Elim1 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 22 [2022-11-22 00:22:34,943 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:34,955 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:35,061 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 54 [2022-11-22 00:22:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:35,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:35,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:35,094 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 37 [2022-11-22 00:22:35,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:35,133 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:35,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:35,398 INFO L321 Elim1Store]: treesize reduction 54, result has 16.9 percent of original size [2022-11-22 00:22:35,399 INFO L350 Elim1Store]: Elim1 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 323 treesize of output 302 [2022-11-22 00:22:35,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:35,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:35,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:35,438 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:35,439 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 304 treesize of output 297 [2022-11-22 00:22:35,507 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:35,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:35,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:35,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:35,661 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:35,855 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-22 00:22:35,873 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:22:36,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [435551433] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:36,408 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:22:36,408 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 3, 4] total 14 [2022-11-22 00:22:36,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295874508] [2022-11-22 00:22:36,409 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:36,409 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-22 00:22:36,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:36,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-22 00:22:36,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-22 00:22:36,411 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:36,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:36,637 INFO L93 Difference]: Finished difference Result 31 states and 34 transitions. [2022-11-22 00:22:36,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-22 00:22:36,638 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-22 00:22:36,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:36,639 INFO L225 Difference]: With dead ends: 31 [2022-11-22 00:22:36,639 INFO L226 Difference]: Without dead ends: 27 [2022-11-22 00:22:36,639 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2022-11-22 00:22:36,640 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 25 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:36,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 66 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:22:36,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-22 00:22:36,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-22 00:22:36,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 24 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:36,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-11-22 00:22:36,648 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 9 [2022-11-22 00:22:36,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:36,648 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-11-22 00:22:36,649 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 1.1666666666666667) internal successors, (7), 6 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:36,649 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-22 00:22:36,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 00:22:36,649 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:36,650 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:36,664 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:36,859 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:36,859 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:36,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:36,860 INFO L85 PathProgramCache]: Analyzing trace with hash -1596234183, now seen corresponding path program 1 times [2022-11-22 00:22:36,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:36,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064310874] [2022-11-22 00:22:36,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:36,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:37,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:37,040 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:37,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064310874] [2022-11-22 00:22:37,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2064310874] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:37,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868504583] [2022-11-22 00:22:37,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:37,041 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:37,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:37,042 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:37,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 00:22:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:37,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:22:37,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:37,300 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:22:37,300 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:22:37,301 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868504583] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:37,301 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:22:37,301 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 00:22:37,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555286757] [2022-11-22 00:22:37,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:37,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:22:37,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:37,302 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:22:37,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:37,303 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:37,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:37,350 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-11-22 00:22:37,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:22:37,351 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-22 00:22:37,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:37,353 INFO L225 Difference]: With dead ends: 41 [2022-11-22 00:22:37,353 INFO L226 Difference]: Without dead ends: 40 [2022-11-22 00:22:37,353 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:37,355 INFO L413 NwaCegarLoop]: 19 mSDtfsCounter, 13 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:37,355 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 36 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:37,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2022-11-22 00:22:37,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 32. [2022-11-22 00:22:37,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 29 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:37,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2022-11-22 00:22:37,366 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 15 [2022-11-22 00:22:37,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:37,366 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2022-11-22 00:22:37,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:37,366 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2022-11-22 00:22:37,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 00:22:37,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:37,368 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:37,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:37,574 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:37,575 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:37,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:37,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1596236546, now seen corresponding path program 1 times [2022-11-22 00:22:37,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:37,575 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835691254] [2022-11-22 00:22:37,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:37,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:37,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:37,727 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:37,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835691254] [2022-11-22 00:22:37,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1835691254] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:37,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195110499] [2022-11-22 00:22:37,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:37,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:37,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:37,729 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:37,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 00:22:37,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:37,936 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:22:37,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:37,952 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:22:37,952 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:22:37,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195110499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:37,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:22:37,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 00:22:37,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509950906] [2022-11-22 00:22:37,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:37,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:22:37,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:37,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:22:37,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:37,957 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:38,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:38,000 INFO L93 Difference]: Finished difference Result 54 states and 69 transitions. [2022-11-22 00:22:38,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:22:38,002 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-22 00:22:38,003 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:38,005 INFO L225 Difference]: With dead ends: 54 [2022-11-22 00:22:38,005 INFO L226 Difference]: Without dead ends: 38 [2022-11-22 00:22:38,006 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:38,008 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:38,008 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 38 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:38,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2022-11-22 00:22:38,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 36. [2022-11-22 00:22:38,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 33 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:38,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 43 transitions. [2022-11-22 00:22:38,021 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 43 transitions. Word has length 15 [2022-11-22 00:22:38,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:38,021 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 43 transitions. [2022-11-22 00:22:38,021 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:38,021 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 43 transitions. [2022-11-22 00:22:38,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 00:22:38,022 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:38,022 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:38,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:38,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-22 00:22:38,230 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:38,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:38,230 INFO L85 PathProgramCache]: Analyzing trace with hash -1596155535, now seen corresponding path program 1 times [2022-11-22 00:22:38,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:38,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784599018] [2022-11-22 00:22:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:38,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:38,336 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:38,336 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:38,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784599018] [2022-11-22 00:22:38,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1784599018] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:38,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [724480838] [2022-11-22 00:22:38,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:38,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:38,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:38,339 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:38,362 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 00:22:38,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:38,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:22:38,517 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:38,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:22:38,527 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:22:38,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [724480838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:38,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:22:38,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 00:22:38,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130269323] [2022-11-22 00:22:38,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:38,529 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:22:38,529 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:38,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:22:38,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:38,530 INFO L87 Difference]: Start difference. First operand 36 states and 43 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:38,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:38,562 INFO L93 Difference]: Finished difference Result 40 states and 48 transitions. [2022-11-22 00:22:38,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:22:38,562 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-11-22 00:22:38,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:38,567 INFO L225 Difference]: With dead ends: 40 [2022-11-22 00:22:38,568 INFO L226 Difference]: Without dead ends: 39 [2022-11-22 00:22:38,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:38,569 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 2 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:38,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:38,570 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-22 00:22:38,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 38. [2022-11-22 00:22:38,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 30 states have (on average 1.4333333333333333) internal successors, (43), 35 states have internal predecessors, (43), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:38,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 45 transitions. [2022-11-22 00:22:38,588 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 45 transitions. Word has length 15 [2022-11-22 00:22:38,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:38,589 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-11-22 00:22:38,589 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:38,589 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 45 transitions. [2022-11-22 00:22:38,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 00:22:38,590 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:38,590 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:38,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:38,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:38,797 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:38,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:38,797 INFO L85 PathProgramCache]: Analyzing trace with hash 2056274705, now seen corresponding path program 1 times [2022-11-22 00:22:38,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:38,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359199390] [2022-11-22 00:22:38,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:38,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:38,954 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:38,954 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:38,954 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1359199390] [2022-11-22 00:22:38,954 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1359199390] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:38,955 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [342342637] [2022-11-22 00:22:38,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:38,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:38,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:38,956 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:38,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 00:22:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:39,181 INFO L263 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:22:39,182 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:39,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:22:39,192 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:22:39,193 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [342342637] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:39,193 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:22:39,193 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 00:22:39,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1661944301] [2022-11-22 00:22:39,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:39,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:22:39,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:39,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:22:39,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:39,195 INFO L87 Difference]: Start difference. First operand 38 states and 45 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:39,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:39,223 INFO L93 Difference]: Finished difference Result 45 states and 52 transitions. [2022-11-22 00:22:39,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:22:39,223 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-22 00:22:39,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:39,224 INFO L225 Difference]: With dead ends: 45 [2022-11-22 00:22:39,224 INFO L226 Difference]: Without dead ends: 44 [2022-11-22 00:22:39,224 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:39,225 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 12 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:39,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 39 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:39,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-22 00:22:39,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 37. [2022-11-22 00:22:39,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 34 states have internal predecessors, (41), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:39,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2022-11-22 00:22:39,235 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 16 [2022-11-22 00:22:39,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:39,235 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2022-11-22 00:22:39,236 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-22 00:22:39,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 00:22:39,239 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:39,239 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:39,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:39,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:39,446 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:39,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:39,447 INFO L85 PathProgramCache]: Analyzing trace with hash 2058786085, now seen corresponding path program 1 times [2022-11-22 00:22:39,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:39,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045384232] [2022-11-22 00:22:39,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:39,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:39,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:22:39,571 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:39,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045384232] [2022-11-22 00:22:39,571 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045384232] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:39,571 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1872817029] [2022-11-22 00:22:39,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:39,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:39,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:39,573 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:39,598 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 00:22:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:39,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:22:39,779 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:39,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:22:39,790 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:22:39,790 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1872817029] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:39,790 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:22:39,790 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 00:22:39,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277207345] [2022-11-22 00:22:39,793 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:39,793 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:22:39,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:39,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:22:39,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:39,794 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:39,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:39,837 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-22 00:22:39,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:22:39,838 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2022-11-22 00:22:39,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:39,839 INFO L225 Difference]: With dead ends: 37 [2022-11-22 00:22:39,839 INFO L226 Difference]: Without dead ends: 36 [2022-11-22 00:22:39,839 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:39,841 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:39,842 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 36 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:39,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-22 00:22:39,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2022-11-22 00:22:39,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 30 states have (on average 1.3333333333333333) internal successors, (40), 33 states have internal predecessors, (40), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:39,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 42 transitions. [2022-11-22 00:22:39,852 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 42 transitions. Word has length 16 [2022-11-22 00:22:39,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:39,853 INFO L495 AbstractCegarLoop]: Abstraction has 36 states and 42 transitions. [2022-11-22 00:22:39,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:39,853 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 42 transitions. [2022-11-22 00:22:39,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 00:22:39,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:39,854 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:39,865 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:40,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:40,061 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:40,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:40,061 INFO L85 PathProgramCache]: Analyzing trace with hash 395037716, now seen corresponding path program 1 times [2022-11-22 00:22:40,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:40,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1739378628] [2022-11-22 00:22:40,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:40,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:40,189 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:22:40,190 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:40,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1739378628] [2022-11-22 00:22:40,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1739378628] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:40,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1761529798] [2022-11-22 00:22:40,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:40,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:40,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:40,192 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:40,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 00:22:40,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:40,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:22:40,449 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:40,458 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:22:40,458 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:22:40,458 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1761529798] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:40,458 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:22:40,458 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 00:22:40,459 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232776051] [2022-11-22 00:22:40,459 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:40,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:22:40,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:40,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:22:40,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:40,460 INFO L87 Difference]: Start difference. First operand 36 states and 42 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:40,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:40,497 INFO L93 Difference]: Finished difference Result 36 states and 42 transitions. [2022-11-22 00:22:40,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:22:40,500 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-22 00:22:40,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:40,501 INFO L225 Difference]: With dead ends: 36 [2022-11-22 00:22:40,501 INFO L226 Difference]: Without dead ends: 35 [2022-11-22 00:22:40,501 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:40,502 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 1 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:40,502 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 35 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:40,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-22 00:22:40,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 33. [2022-11-22 00:22:40,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.2857142857142858) internal successors, (36), 30 states have internal predecessors, (36), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:40,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 38 transitions. [2022-11-22 00:22:40,521 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 38 transitions. Word has length 18 [2022-11-22 00:22:40,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:40,522 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 38 transitions. [2022-11-22 00:22:40,522 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:40,522 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2022-11-22 00:22:40,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-22 00:22:40,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:40,523 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:40,531 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:40,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:40,731 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:40,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:40,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1486492152, now seen corresponding path program 1 times [2022-11-22 00:22:40,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:40,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855055181] [2022-11-22 00:22:40,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:40,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:40,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:40,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:22:40,814 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:40,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855055181] [2022-11-22 00:22:40,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855055181] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:40,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590007987] [2022-11-22 00:22:40,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:40,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:40,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:40,816 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:40,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 00:22:41,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:41,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 00:22:41,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:41,052 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:22:41,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:22:41,075 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:22:41,075 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590007987] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:22:41,075 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1246487837] [2022-11-22 00:22:41,078 INFO L159 IcfgInterpreter]: Started Sifa with 16 locations of interest [2022-11-22 00:22:41,078 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:22:41,078 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:22:41,079 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:22:41,079 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:22:41,164 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-11-22 00:22:41,165 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 42 [2022-11-22 00:22:41,232 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:22:41,232 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:22:41,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:41,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 32 [2022-11-22 00:22:41,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-22 00:22:41,317 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-11-22 00:22:41,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:41,337 INFO L350 Elim1Store]: Elim1 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 22 [2022-11-22 00:22:41,356 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,368 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:41,480 INFO L321 Elim1Store]: treesize reduction 54, result has 16.9 percent of original size [2022-11-22 00:22:41,481 INFO L350 Elim1Store]: Elim1 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 285 treesize of output 272 [2022-11-22 00:22:41,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:41,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:41,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 274 [2022-11-22 00:22:41,545 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:41,639 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:41,673 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:41,739 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 9 [2022-11-22 00:22:41,749 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 11 [2022-11-22 00:22:41,793 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 00:22:41,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 00:22:41,828 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 00:22:41,828 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-22 00:22:41,839 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-22 00:22:41,851 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 26 [2022-11-22 00:22:41,894 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-22 00:22:41,907 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:22:42,563 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1246487837] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:42,563 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:22:42,563 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [4, 3, 4] total 15 [2022-11-22 00:22:42,563 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285465138] [2022-11-22 00:22:42,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:42,564 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 00:22:42,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:42,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 00:22:42,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-11-22 00:22:42,565 INFO L87 Difference]: Start difference. First operand 33 states and 38 transitions. Second operand has 10 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:42,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:42,798 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-11-22 00:22:42,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 00:22:42,798 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-11-22 00:22:42,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:42,799 INFO L225 Difference]: With dead ends: 39 [2022-11-22 00:22:42,799 INFO L226 Difference]: Without dead ends: 33 [2022-11-22 00:22:42,800 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 42 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2022-11-22 00:22:42,800 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 41 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:42,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 42 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-22 00:22:42,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-22 00:22:42,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-22 00:22:42,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 28 states have (on average 1.25) internal successors, (35), 30 states have internal predecessors, (35), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:42,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 37 transitions. [2022-11-22 00:22:42,813 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 37 transitions. Word has length 18 [2022-11-22 00:22:42,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:42,813 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 37 transitions. [2022-11-22 00:22:42,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:42,813 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 37 transitions. [2022-11-22 00:22:42,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 00:22:42,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:42,814 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:42,825 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:43,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-22 00:22:43,025 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:43,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:43,025 INFO L85 PathProgramCache]: Analyzing trace with hash -638659353, now seen corresponding path program 1 times [2022-11-22 00:22:43,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:43,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239072355] [2022-11-22 00:22:43,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:43,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:43,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:43,153 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 00:22:43,154 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:43,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239072355] [2022-11-22 00:22:43,154 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239072355] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:43,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1393924769] [2022-11-22 00:22:43,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:43,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:43,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:43,156 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:43,159 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2022-11-22 00:22:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:43,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-22 00:22:43,419 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:43,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 00:22:43,436 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 00:22:43,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1393924769] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:43,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 00:22:43,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-22 00:22:43,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827684579] [2022-11-22 00:22:43,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:43,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 00:22:43,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:43,437 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 00:22:43,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:43,438 INFO L87 Difference]: Start difference. First operand 33 states and 37 transitions. Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:43,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:43,472 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-22 00:22:43,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 00:22:43,473 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-11-22 00:22:43,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:43,473 INFO L225 Difference]: With dead ends: 33 [2022-11-22 00:22:43,474 INFO L226 Difference]: Without dead ends: 32 [2022-11-22 00:22:43,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:22:43,475 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 6 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:43,475 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 23 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 00:22:43,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-22 00:22:43,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-22 00:22:43,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 28 states have (on average 1.2142857142857142) internal successors, (34), 29 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:43,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 36 transitions. [2022-11-22 00:22:43,487 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 36 transitions. Word has length 19 [2022-11-22 00:22:43,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:43,488 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 36 transitions. [2022-11-22 00:22:43,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:43,488 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 36 transitions. [2022-11-22 00:22:43,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 00:22:43,489 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:43,489 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:43,499 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:43,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-22 00:22:43,696 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:43,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:43,696 INFO L85 PathProgramCache]: Analyzing trace with hash 152447887, now seen corresponding path program 1 times [2022-11-22 00:22:43,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:43,697 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449621611] [2022-11-22 00:22:43,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:43,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:43,848 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 00:22:43,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:43,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449621611] [2022-11-22 00:22:43,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449621611] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:43,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1727574460] [2022-11-22 00:22:43,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:43,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:43,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:43,850 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:43,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2022-11-22 00:22:44,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:44,180 INFO L263 TraceCheckSpWp]: Trace formula consists of 546 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 00:22:44,181 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:44,195 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 00:22:44,195 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:22:44,222 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 00:22:44,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1727574460] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:22:44,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1739051486] [2022-11-22 00:22:44,224 INFO L159 IcfgInterpreter]: Started Sifa with 18 locations of interest [2022-11-22 00:22:44,225 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:22:44,225 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:22:44,225 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:22:44,226 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:22:44,284 INFO L321 Elim1Store]: treesize reduction 30, result has 48.3 percent of original size [2022-11-22 00:22:44,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 22 treesize of output 42 [2022-11-22 00:22:44,344 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:22:44,344 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:22:44,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:44,358 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 5 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 32 [2022-11-22 00:22:44,369 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-22 00:22:44,378 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,411 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 42 [2022-11-22 00:22:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:44,420 INFO L350 Elim1Store]: Elim1 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 22 [2022-11-22 00:22:44,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,449 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:44,567 INFO L321 Elim1Store]: treesize reduction 54, result has 16.9 percent of original size [2022-11-22 00:22:44,567 INFO L350 Elim1Store]: Elim1 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 3 new quantified variables, introduced 4 case distinctions, treesize of input 285 treesize of output 272 [2022-11-22 00:22:44,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:44,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:44,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 274 treesize of output 274 [2022-11-22 00:22:44,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,714 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,722 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:44,739 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:44,746 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,751 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:44,811 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 9 [2022-11-22 00:22:44,819 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 11 [2022-11-22 00:22:44,846 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 00:22:44,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-22 00:22:44,879 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 00:22:44,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-22 00:22:44,890 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 00:22:44,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 26 [2022-11-22 00:22:44,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:44,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:44,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:44,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:44,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-22 00:22:45,004 INFO L321 Elim1Store]: treesize reduction 36, result has 49.3 percent of original size [2022-11-22 00:22:45,004 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 66 [2022-11-22 00:22:45,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-22 00:22:45,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,110 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 38 [2022-11-22 00:22:45,170 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 00:22:45,170 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-22 00:22:45,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:45,234 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:45,268 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-22 00:22:45,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-22 00:22:45,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,294 INFO L350 Elim1Store]: Elim1 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 53 treesize of output 44 [2022-11-22 00:22:45,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,312 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-22 00:22:45,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,389 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 322 treesize of output 194 [2022-11-22 00:22:45,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 75 [2022-11-22 00:22:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,431 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 193 treesize of output 145 [2022-11-22 00:22:45,637 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:45,708 INFO L321 Elim1Store]: treesize reduction 250, result has 12.0 percent of original size [2022-11-22 00:22:45,709 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 787 treesize of output 547 [2022-11-22 00:22:45,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:45,795 INFO L321 Elim1Store]: treesize reduction 194, result has 19.8 percent of original size [2022-11-22 00:22:45,795 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 669 treesize of output 608 [2022-11-22 00:22:45,818 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:45,872 INFO L321 Elim1Store]: treesize reduction 238, result has 12.5 percent of original size [2022-11-22 00:22:45,872 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 743 treesize of output 671 [2022-11-22 00:22:46,055 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:46,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:46,089 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:46,090 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:46,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:46,179 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,188 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,299 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 00:22:46,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 00:22:46,316 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,325 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,346 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 00:22:46,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 00:22:46,385 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,399 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 00:22:46,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 00:22:46,416 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-22 00:22:46,427 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 17 [2022-11-22 00:22:46,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,460 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,465 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:46,466 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-22 00:22:46,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,483 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-22 00:22:46,498 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,523 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:46,524 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:46,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,575 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,580 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:46,581 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 293 treesize of output 178 [2022-11-22 00:22:46,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 78 [2022-11-22 00:22:46,625 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,652 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:46,653 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 188 treesize of output 137 [2022-11-22 00:22:46,745 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,788 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-22 00:22:46,789 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 561 treesize of output 358 [2022-11-22 00:22:46,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:46,869 INFO L321 Elim1Store]: treesize reduction 202, result has 15.1 percent of original size [2022-11-22 00:22:46,870 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 443 treesize of output 366 [2022-11-22 00:22:46,888 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:46,915 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:46,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 535 treesize of output 452 [2022-11-22 00:22:47,051 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:47,051 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:47,089 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:47,089 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:47,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:47,242 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:47,252 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:47,331 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 00:22:47,331 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 00:22:47,343 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-22 00:22:47,352 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 17 [2022-11-22 00:22:47,360 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:47,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:47,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:47,393 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 00:22:47,394 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 00:22:47,422 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:47,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:47,440 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 00:22:47,440 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 00:22:47,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:47,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:47,492 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:47,497 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:47,498 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-22 00:22:47,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:47,515 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-22 00:22:47,533 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:47,561 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:47,561 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:47,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:47,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:47,641 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:47,646 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:47,647 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-22 00:22:47,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:47,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:47,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 75 [2022-11-22 00:22:47,686 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:47,710 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:47,710 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-22 00:22:47,865 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:47,866 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:47,903 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:47,903 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:47,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:48,007 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:48,008 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:48,045 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:48,045 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:48,056 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:48,149 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,159 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,268 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 00:22:48,269 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 00:22:48,291 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 17 [2022-11-22 00:22:48,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,320 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,343 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 00:22:48,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 00:22:48,371 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,387 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 00:22:48,387 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 00:22:48,398 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-22 00:22:48,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,449 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,454 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:48,455 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-22 00:22:48,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,471 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-22 00:22:48,487 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,515 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:48,515 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:48,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,585 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,590 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:48,591 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 275 treesize of output 160 [2022-11-22 00:22:48,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:48,614 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2022-11-22 00:22:48,632 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,657 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:48,658 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:48,760 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:48,760 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:48,803 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:48,803 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:48,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:48,911 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:48,921 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:49,036 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 00:22:49,036 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 00:22:49,045 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:49,055 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:49,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:49,079 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 00:22:49,079 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 00:22:49,106 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:49,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:49,121 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 00:22:49,121 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 00:22:49,133 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 17 [2022-11-22 00:22:49,143 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-22 00:22:49,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:49,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:49,193 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:49,198 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:49,199 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-22 00:22:49,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:49,215 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-22 00:22:49,235 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:49,263 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:49,264 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:49,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:49,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:49,348 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:49,353 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:49,353 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 293 treesize of output 178 [2022-11-22 00:22:49,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:49,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:49,374 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 78 [2022-11-22 00:22:49,395 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:49,423 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:49,423 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 188 treesize of output 137 [2022-11-22 00:22:49,543 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:49,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:49,578 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:49,579 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:49,589 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:49,801 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:49,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:49,835 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:49,835 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:49,847 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:49,939 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-22 00:22:49,947 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:22:51,362 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1739051486] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:22:51,362 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:22:51,362 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [4, 3, 4] total 20 [2022-11-22 00:22:51,363 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703399916] [2022-11-22 00:22:51,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:22:51,363 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-11-22 00:22:51,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:22:51,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-11-22 00:22:51,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=318, Unknown=0, NotChecked=0, Total=380 [2022-11-22 00:22:51,364 INFO L87 Difference]: Start difference. First operand 32 states and 36 transitions. Second operand has 15 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:53,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:22:53,321 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-11-22 00:22:53,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-22 00:22:53,321 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-22 00:22:53,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:22:53,322 INFO L225 Difference]: With dead ends: 32 [2022-11-22 00:22:53,322 INFO L226 Difference]: Without dead ends: 31 [2022-11-22 00:22:53,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 58 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=117, Invalid=533, Unknown=0, NotChecked=0, Total=650 [2022-11-22 00:22:53,323 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 46 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:22:53,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 19 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 00:22:53,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-22 00:22:53,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 26. [2022-11-22 00:22:53,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:53,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions. [2022-11-22 00:22:53,331 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 25 [2022-11-22 00:22:53,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:22:53,332 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 29 transitions. [2022-11-22 00:22:53,332 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 12 states have (on average 1.5) internal successors, (18), 13 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:22:53,332 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2022-11-22 00:22:53,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-22 00:22:53,333 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:22:53,333 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:22:53,343 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2022-11-22 00:22:53,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-22 00:22:53,541 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-11-22 00:22:53,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:22:53,541 INFO L85 PathProgramCache]: Analyzing trace with hash -1729084344, now seen corresponding path program 1 times [2022-11-22 00:22:53,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:22:53,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900748778] [2022-11-22 00:22:53,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:53,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:22:53,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:22:53,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:22:53,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900748778] [2022-11-22 00:22:53,664 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900748778] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 00:22:53,664 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408002008] [2022-11-22 00:22:53,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:22:53,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:22:53,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:22:53,666 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 00:22:53,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2022-11-22 00:22:53,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:22:53,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 397 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 00:22:53,966 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 00:22:53,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:22:53,980 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 00:22:54,005 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-22 00:22:54,005 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408002008] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 00:22:54,005 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1984589638] [2022-11-22 00:22:54,011 INFO L159 IcfgInterpreter]: Started Sifa with 21 locations of interest [2022-11-22 00:22:54,012 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 00:22:54,012 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 00:22:54,012 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 00:22:54,012 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 00:22:54,030 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:54,039 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:54,087 INFO L321 Elim1Store]: treesize reduction 75, result has 31.2 percent of original size [2022-11-22 00:22:54,088 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 104 [2022-11-22 00:22:54,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2022-11-22 00:22:54,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 44 [2022-11-22 00:22:54,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,171 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:54,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 60 [2022-11-22 00:22:54,181 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-22 00:22:54,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:54,257 INFO L321 Elim1Store]: treesize reduction 54, result has 34.1 percent of original size [2022-11-22 00:22:54,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 7 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 6 case distinctions, treesize of input 32 treesize of output 53 [2022-11-22 00:22:54,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 30 [2022-11-22 00:22:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,305 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 88 [2022-11-22 00:22:54,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,334 INFO L350 Elim1Store]: Elim1 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 22 [2022-11-22 00:22:54,365 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:54,373 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:54,467 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:54,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:54,480 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:54,496 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:54,502 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:54,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2022-11-22 00:22:54,571 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 9 [2022-11-22 00:22:54,580 INFO L350 Elim1Store]: Elim1 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 12 treesize of output 11 [2022-11-22 00:22:54,604 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 00:22:54,631 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-22 00:22:54,631 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-22 00:22:54,641 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-22 00:22:54,650 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 24 treesize of output 26 [2022-11-22 00:22:54,662 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 1 [2022-11-22 00:22:54,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,725 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 427 treesize of output 273 [2022-11-22 00:22:54,773 INFO L321 Elim1Store]: treesize reduction 68, result has 34.0 percent of original size [2022-11-22 00:22:54,773 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 38 treesize of output 57 [2022-11-22 00:22:54,788 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-22 00:22:54,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 150 treesize of output 64 [2022-11-22 00:22:54,836 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 38 [2022-11-22 00:22:54,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,879 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:54,880 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:54,911 INFO L321 Elim1Store]: treesize reduction 68, result has 25.3 percent of original size [2022-11-22 00:22:54,912 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 274 treesize of output 162 [2022-11-22 00:22:54,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,934 INFO L350 Elim1Store]: Elim1 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 53 treesize of output 44 [2022-11-22 00:22:54,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:54,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-22 00:22:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,023 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 306 treesize of output 178 [2022-11-22 00:22:55,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,046 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 67 [2022-11-22 00:22:55,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 113 [2022-11-22 00:22:55,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:55,303 INFO L321 Elim1Store]: treesize reduction 250, result has 12.0 percent of original size [2022-11-22 00:22:55,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 769 treesize of output 529 [2022-11-22 00:22:55,332 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:55,391 INFO L321 Elim1Store]: treesize reduction 238, result has 12.5 percent of original size [2022-11-22 00:22:55,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 710 treesize of output 662 [2022-11-22 00:22:55,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,458 INFO L321 Elim1Store]: treesize reduction 142, result has 25.3 percent of original size [2022-11-22 00:22:55,458 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 651 treesize of output 582 [2022-11-22 00:22:55,641 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:55,642 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:55,673 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:55,674 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:55,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:55,755 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:55,765 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:55,854 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 00:22:55,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 00:22:55,864 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 17 [2022-11-22 00:22:55,872 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:55,882 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:55,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,906 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 00:22:55,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 00:22:55,931 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:55,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,948 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 00:22:55,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 00:22:55,958 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-22 00:22:55,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:55,984 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:55,990 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:55,991 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-22 00:22:56,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,007 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-22 00:22:56,020 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,050 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:56,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:56,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,094 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:56,095 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-22 00:22:56,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,112 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 75 [2022-11-22 00:22:56,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,150 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:56,151 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-22 00:22:56,224 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,266 INFO L321 Elim1Store]: treesize reduction 148, result has 13.5 percent of original size [2022-11-22 00:22:56,266 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 557 treesize of output 354 [2022-11-22 00:22:56,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,361 INFO L321 Elim1Store]: treesize reduction 340, result has 15.6 percent of original size [2022-11-22 00:22:56,361 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 3 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 12 case distinctions, treesize of input 439 treesize of output 393 [2022-11-22 00:22:56,374 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,403 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:56,404 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 513 treesize of output 446 [2022-11-22 00:22:56,547 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:56,548 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:56,580 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:56,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:56,591 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:56,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,717 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,800 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 00:22:56,801 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 00:22:56,812 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 17 [2022-11-22 00:22:56,821 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-22 00:22:56,829 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,840 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,863 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 00:22:56,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 00:22:56,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,906 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 00:22:56,906 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 00:22:56,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,943 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:56,948 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:56,949 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-22 00:22:56,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:56,966 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-22 00:22:56,985 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,014 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:57,014 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:57,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,089 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,095 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:57,095 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 287 treesize of output 172 [2022-11-22 00:22:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,114 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 101 treesize of output 75 [2022-11-22 00:22:57,129 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,153 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:57,153 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 182 treesize of output 131 [2022-11-22 00:22:57,264 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:57,264 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:57,303 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:57,304 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:57,315 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:57,423 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:57,423 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:57,458 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:57,459 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:57,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:57,569 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,665 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 00:22:57,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 00:22:57,675 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 17 [2022-11-22 00:22:57,684 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,694 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,717 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 00:22:57,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 00:22:57,744 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,762 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 00:22:57,762 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 00:22:57,774 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-22 00:22:57,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,813 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,818 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:57,819 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-22 00:22:57,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,834 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-22 00:22:57,852 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,881 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:57,881 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:57,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,954 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:57,959 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:57,959 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 271 treesize of output 156 [2022-11-22 00:22:57,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:57,979 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 67 [2022-11-22 00:22:57,994 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:58,023 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:58,023 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:58,130 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:58,131 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:58,163 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:58,163 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:58,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:58,251 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:58,252 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:58,293 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:58,293 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:58,302 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:22:58,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-22 00:22:58,474 INFO L321 Elim1Store]: treesize reduction 58, result has 19.4 percent of original size [2022-11-22 00:22:58,474 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 31 [2022-11-22 00:22:58,645 INFO L321 Elim1Store]: treesize reduction 93, result has 45.0 percent of original size [2022-11-22 00:22:58,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 186 treesize of output 227 [2022-11-22 00:22:58,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-22 00:22:58,985 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2022-11-22 00:22:59,113 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:59,123 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:59,206 INFO L321 Elim1Store]: treesize reduction 432, result has 5.1 percent of original size [2022-11-22 00:22:59,207 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 416 treesize of output 259 [2022-11-22 00:22:59,216 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:59,226 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:59,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,250 INFO L321 Elim1Store]: treesize reduction 21, result has 34.4 percent of original size [2022-11-22 00:22:59,250 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 139 treesize of output 50 [2022-11-22 00:22:59,274 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:59,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,289 INFO L321 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2022-11-22 00:22:59,290 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 99 treesize of output 42 [2022-11-22 00:22:59,301 INFO L350 Elim1Store]: Elim1 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 28 treesize of output 17 [2022-11-22 00:22:59,310 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 13 [2022-11-22 00:22:59,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,363 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:59,368 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:59,369 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 239 treesize of output 140 [2022-11-22 00:22:59,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,385 INFO L350 Elim1Store]: Elim1 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 0 case distinctions, treesize of input 53 treesize of output 44 [2022-11-22 00:22:59,400 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:59,429 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:59,430 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:59,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,499 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:59,504 INFO L321 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2022-11-22 00:22:59,505 INFO L350 Elim1Store]: Elim1 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 1 case distinctions, treesize of input 275 treesize of output 160 [2022-11-22 00:22:59,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-22 00:22:59,525 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 69 [2022-11-22 00:22:59,541 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-22 00:22:59,569 INFO L321 Elim1Store]: treesize reduction 140, result has 14.1 percent of original size [2022-11-22 00:22:59,570 INFO L350 Elim1Store]: Elim1 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 3 case distinctions, treesize of input 134 treesize of output 99 [2022-11-22 00:22:59,682 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:59,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:59,719 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:59,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:59,730 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-22 00:22:59,819 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:22:59,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:22:59,854 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:22:59,854 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:22:59,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:23:00,033 INFO L321 Elim1Store]: treesize reduction 49, result has 40.2 percent of original size [2022-11-22 00:23:00,033 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 156 treesize of output 124 [2022-11-22 00:23:00,065 INFO L321 Elim1Store]: treesize reduction 31, result has 42.6 percent of original size [2022-11-22 00:23:00,066 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 90 treesize of output 80 [2022-11-22 00:23:00,082 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-11-22 00:23:00,138 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 37 for LOIs [2022-11-22 00:23:00,146 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 00:23:03,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1984589638] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:23:03,835 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-22 00:23:03,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [4, 3, 4] total 23 [2022-11-22 00:23:03,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901330207] [2022-11-22 00:23:03,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:23:03,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-22 00:23:03,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:23:03,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-22 00:23:03,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=433, Unknown=0, NotChecked=0, Total=506 [2022-11-22 00:23:03,837 INFO L87 Difference]: Start difference. First operand 26 states and 29 transitions. Second operand has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:23:07,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:23:07,627 INFO L93 Difference]: Finished difference Result 26 states and 29 transitions. [2022-11-22 00:23:07,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-22 00:23:07,627 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-22 00:23:07,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:23:07,627 INFO L225 Difference]: With dead ends: 26 [2022-11-22 00:23:07,627 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 00:23:07,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 239 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=150, Invalid=780, Unknown=0, NotChecked=0, Total=930 [2022-11-22 00:23:07,629 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 53 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 186 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 186 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-22 00:23:07,629 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 1 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 186 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-22 00:23:07,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 00:23:07,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 00:23:07,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:23:07,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 00:23:07,630 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2022-11-22 00:23:07,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:23:07,630 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 00:23:07,631 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 16 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-22 00:23:07,631 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 00:23:07,631 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 00:23:07,633 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-11-22 00:23:07,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-11-22 00:23:07,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-11-22 00:23:07,634 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-11-22 00:23:07,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-11-22 00:23:07,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-11-22 00:23:07,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-11-22 00:23:07,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-11-22 00:23:07,635 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-11-22 00:23:07,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-11-22 00:23:07,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-11-22 00:23:07,636 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-11-22 00:23:07,647 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2022-11-22 00:23:07,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 00:23:07,844 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 00:23:09,133 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2022-11-22 00:23:09,134 INFO L899 garLoopResultBuilder]: For program point L1889-2(lines 1889 1896) no Hoare annotation was computed. [2022-11-22 00:23:09,134 INFO L899 garLoopResultBuilder]: For program point L1889-3(line 1889) no Hoare annotation was computed. [2022-11-22 00:23:09,134 INFO L895 garLoopResultBuilder]: At program point L1885(line 1885) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_main_~argc~0#1| 2147483648)) (= |ULTIMATE.start_main_~a~0#1.offset| 0) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (<= |ULTIMATE.start_main_~argc~0#1| 2147483647) (<= 0 (+ ~bb_errno_location~0 2147483648)) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (= 3 |~#dummy_utmp~0.base|) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (= |~#dummy_utmp~0.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2022-11-22 00:23:09,135 INFO L895 garLoopResultBuilder]: At program point L1889-4(lines 1889 1896) the Hoare annotation is: (let ((.cse8 (* 8 (mod (+ |ULTIMATE.start_main_~argc~0#1| 1) 2305843009213693952)))) (let ((.cse0 (not (= (ite (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) 1 0) 0))) (.cse1 (= ~optind~0 1)) (.cse2 (<= ~bb_errno_location~0 2147483647)) (.cse3 (not (= |ULTIMATE.start_main_~argv~0#1.base| 0))) (.cse4 (<= 0 (+ ~bb_errno_location~0 2147483648))) (.cse5 (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset)) (.cse6 (<= 0 ~applet_name~0.offset)) (.cse7 (= (select |#valid| |ULTIMATE.start_main_~argv~0#1.base|) 1)) (.cse10 (< |ULTIMATE.start_main_~argv~0#1.base| |#StackHeapBarrier|)) (.cse11 (= 3 |~#dummy_utmp~0.base|)) (.cse12 (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|)) (.cse13 (<= ~applet_name~0.offset 0)) (.cse14 (= |#NULL.offset| 0)) (.cse15 (<= |ULTIMATE.start_main_~i~3#1| 2147483647)) (.cse16 (= |~#dummy_utmp~0.offset| 0)) (.cse17 (= |ULTIMATE.start_main_~argv~0#1.offset| 0)) (.cse18 (<= 10 |ULTIMATE.start_main_~i~3#1|)) (.cse19 (= (select |#length| |ULTIMATE.start_main_~argv~0#1.base|) .cse8)) (.cse20 (<= 0 |#StackHeapBarrier|)) (.cse21 (= |#NULL.base| 0))) (or (let ((.cse9 (+ |ULTIMATE.start_main_~argv~0#1.offset| (* 8 |ULTIMATE.start_main_~argc~0#1|)))) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_~i~4#1| 0) (< |ULTIMATE.start_main_~mem_track~0#1.base| |#StackHeapBarrier|) .cse3 .cse4 .cse5 .cse6 .cse7 (= (select |#length| |ULTIMATE.start_main_~mem_track~0#1.base|) .cse8) (= (select (select |#memory_$Pointer$.base| |ULTIMATE.start_main_~argv~0#1.base|) .cse9) 0) .cse10 .cse11 .cse12 (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) .cse13 (= (select (select |#memory_$Pointer$.offset| |ULTIMATE.start_main_~argv~0#1.base|) .cse9) 0) .cse14 .cse15 .cse16 .cse17 .cse18 (= (select |#valid| |ULTIMATE.start_main_~mem_track~0#1.base|) 1) (not (= |ULTIMATE.start_main_~mem_track~0#1.base| 0)) .cse19 .cse20 (not (= |ULTIMATE.start_main_~argv~0#1.base| |ULTIMATE.start_main_~mem_track~0#1.base|)) .cse21)) (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) .cse4 .cse5 .cse6 .cse7 (<= 0 |ULTIMATE.start_main_~mem_track~0#1.offset|) (<= 10 |ULTIMATE.start_main_~j~0#1|) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 (<= 0 |ULTIMATE.start_main_~i~4#1|))))) [2022-11-22 00:23:09,135 INFO L899 garLoopResultBuilder]: For program point L1885-1(line 1885) no Hoare annotation was computed. [2022-11-22 00:23:09,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed. [2022-11-22 00:23:09,135 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2022-11-22 00:23:09,135 INFO L899 garLoopResultBuilder]: For program point L1898-2(lines 1898 1899) no Hoare annotation was computed. [2022-11-22 00:23:09,135 INFO L899 garLoopResultBuilder]: For program point L1898-3(line 1898) no Hoare annotation was computed. [2022-11-22 00:23:09,136 INFO L895 garLoopResultBuilder]: At program point L1898-4(lines 1898 1899) the Hoare annotation is: (and (<= |ULTIMATE.start___main_~argv#1.offset| 0) (not (= (ite (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) 1 0) 0)) (<= |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1| 2147483647) (<= |ULTIMATE.start___main_~return_value_gethostid$1~0#1| 9223372036854775807) (= ~optind~0 1) (<= ~bb_errno_location~0 2147483647) (<= 0 |ULTIMATE.start___main_~argv#1.offset|) (<= 0 (+ 2147483648 |ULTIMATE.start___main_~return_value_fflush_all$2~0#1|)) (<= 0 (+ ~bb_errno_location~0 2147483648)) (<= 0 (+ |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1| 2147483648)) (<= |ULTIMATE.start_gethostid_#res#1| 9223372036854775807) (= |ULTIMATE.start_main_~a~0#1.offset| ~applet_name~0.offset) (<= 0 ~applet_name~0.offset) (<= 0 |ULTIMATE.start___main_#in~argc#1|) (<= 0 (+ |ULTIMATE.start_main_~res~0#1| 2147483648)) (<= 0 (+ |ULTIMATE.start_gethostid_#res#1| 9223372036854775808)) (<= |ULTIMATE.start___main_#res#1| 2147483647) (<= |ULTIMATE.start___main_#in~argc#1| 2147483646) (<= |ULTIMATE.start_main_~res~0#1| 2147483647) (<= 10 |ULTIMATE.start_main_~j~0#1|) (<= 0 |ULTIMATE.start___main_~argc#1|) (= 3 |~#dummy_utmp~0.base|) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (<= |ULTIMATE.start_fflush_all_#res#1| 2147483647) (= |ULTIMATE.start_main_~mem_track~0#1.offset| 0) (<= ~applet_name~0.offset 0) (<= 0 (+ 9223372036854775808 |ULTIMATE.start___main_~return_value_gethostid$1~0#1|)) (<= 0 (+ |ULTIMATE.start___main_#res#1| 2147483648)) (= |#NULL.offset| 0) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (<= 0 (+ |ULTIMATE.start_fflush_all_#res#1| 2147483648)) (= |~#dummy_utmp~0.offset| 0) (= |ULTIMATE.start_main_~argv~0#1.offset| 0) (<= |ULTIMATE.start___main_#in~argv#1.offset| 0) (<= 10 |ULTIMATE.start_main_~i~3#1|) (or (and (<= |ULTIMATE.start_main_~argc~0#1| |ULTIMATE.start_main_~i~4#1|) (= |ULTIMATE.start___main_#res#1| |ULTIMATE.start_main_~res~0#1|) (= |ULTIMATE.start_gethostid_#res#1| |ULTIMATE.start___main_~return_value_gethostid$1~0#1|) (= |ULTIMATE.start___main_~argv#1.base| |ULTIMATE.start___main_#in~argv#1.base|) (= |ULTIMATE.start_fflush_all_#res#1| |ULTIMATE.start_fflush_all_~return_value_fflush$1~0#1|) (= |ULTIMATE.start_fflush_all_#res#1| |ULTIMATE.start___main_~return_value_fflush_all$2~0#1|) (= |ULTIMATE.start___main_#in~argc#1| |ULTIMATE.start_main_~argc~0#1|) (= |ULTIMATE.start___main_~argc#1| |ULTIMATE.start___main_#in~argc#1|) (= |ULTIMATE.start___main_#res#1| |ULTIMATE.start___main_~return_value_fflush_all$2~0#1|) (= |ULTIMATE.start_main_~argv~0#1.base| |ULTIMATE.start___main_#in~argv#1.base|)) (<= 1 |ULTIMATE.start_main_~i~5#1|)) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start___main_~return_value_fflush_all$2~0#1| 2147483647) (<= 0 |ULTIMATE.start___main_#in~argv#1.offset|) (<= 0 |ULTIMATE.start_main_~i~5#1|) (<= |ULTIMATE.start___main_~argc#1| 2147483646) (= |#NULL.base| 0) (<= 0 |ULTIMATE.start_main_~i~4#1|)) [2022-11-22 00:23:09,136 INFO L899 garLoopResultBuilder]: For program point L1894-2(lines 1894 1895) no Hoare annotation was computed. [2022-11-22 00:23:09,136 INFO L899 garLoopResultBuilder]: For program point L1894-3(line 1894) no Hoare annotation was computed. [2022-11-22 00:23:09,136 INFO L895 garLoopResultBuilder]: At program point L1894-4(lines 1894 1895) the Hoare annotation is: (and (not (= (ite (and (<= 1 |ULTIMATE.start_main_~argc~0#1|) (<= |ULTIMATE.start_main_~argc~0#1| 10000)) 1 0) 0)) (not (= |ULTIMATE.start_main_~argv~0#1.base| 0)) (= (select |#valid| |ULTIMATE.start_main_~argv~0#1.base|) 1) (let ((.cse0 (<= 0 |ULTIMATE.start_main_~a~0#1.offset|)) (.cse1 (<= ~bb_errno_location~0 2147483647)) (.cse2 (<= 3 |~#dummy_utmp~0.base|)) (.cse3 (<= |ULTIMATE.start_main_~mem_track~0#1.offset| 0)) (.cse4 (<= 0 (+ ~bb_errno_location~0 2147483648))) (.cse5 (<= |~#dummy_utmp~0.offset| 0)) (.cse6 (<= 0 ~applet_name~0.offset)) (.cse7 (<= |#NULL.offset| 0)) (.cse8 (<= 0 |ULTIMATE.start_main_~argv~0#1.offset|)) (.cse9 (<= 0 |ULTIMATE.start_main_~mem_track~0#1.offset|)) (.cse10 (<= 0 |ULTIMATE.start_main_~j~0#1|)) (.cse11 (<= ~optind~0 1)) (.cse12 (<= ~applet_name~0.offset 0)) (.cse13 (<= |~#dummy_utmp~0.base| 3)) (.cse14 (<= 0 |~#dummy_utmp~0.offset|)) (.cse15 (<= 10 |ULTIMATE.start_main_~i~3#1|)) (.cse16 (<= 0 |#NULL.offset|)) (.cse17 (<= 1 ~optind~0)) (.cse18 (<= |ULTIMATE.start_main_~argv~0#1.offset| 0)) (.cse19 (<= 0 |#StackHeapBarrier|)) (.cse20 (<= |ULTIMATE.start_main_~a~0#1.offset| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 (<= |ULTIMATE.start_main_~i~4#1| 0) .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 (<= 0 |ULTIMATE.start_main_~i~4#1|)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 (<= |ULTIMATE.start_main_~i~4#1| 2147483646) (<= 1 |ULTIMATE.start_main_~i~4#1|) .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20))) (< |ULTIMATE.start_main_~argv~0#1.base| |#StackHeapBarrier|) (= ~applet_name~0.base |ULTIMATE.start_main_~a~0#1.base|) (<= |ULTIMATE.start_main_~i~3#1| 2147483647) (= (select |#length| |ULTIMATE.start_main_~argv~0#1.base|) (* 8 (mod (+ |ULTIMATE.start_main_~argc~0#1| 1) 2305843009213693952))) (= |#NULL.base| 0)) [2022-11-22 00:23:09,136 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2022-11-22 00:23:09,136 INFO L899 garLoopResultBuilder]: For program point L1886(line 1886) no Hoare annotation was computed. [2022-11-22 00:23:09,136 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 00:23:09,136 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2022-11-22 00:23:09,136 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2022-11-22 00:23:09,137 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1879) no Hoare annotation was computed. [2022-11-22 00:23:09,138 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 00:23:09,138 INFO L899 garLoopResultBuilder]: For program point L1887(line 1887) no Hoare annotation was computed. [2022-11-22 00:23:09,138 INFO L899 garLoopResultBuilder]: For program point L1887-1(line 1887) no Hoare annotation was computed. [2022-11-22 00:23:09,138 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1887) no Hoare annotation was computed. [2022-11-22 00:23:09,139 INFO L899 garLoopResultBuilder]: For program point L1879-2(lines 1879 1880) no Hoare annotation was computed. [2022-11-22 00:23:09,139 INFO L899 garLoopResultBuilder]: For program point L1879-3(line 1879) no Hoare annotation was computed. [2022-11-22 00:23:09,139 INFO L895 garLoopResultBuilder]: At program point L1879-4(lines 1879 1880) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~a~0#1.offset| 0)) (.cse1 (= ~bb_errno_location~0 0)) (.cse2 (= 3 |~#dummy_utmp~0.base|)) (.cse3 (= ~applet_name~0.offset 0)) (.cse4 (= |#NULL.offset| 0)) (.cse5 (= |~#dummy_utmp~0.offset| 0)) (.cse6 (<= 0 |#StackHeapBarrier|)) (.cse7 (= ~applet_name~0.base 0)) (.cse8 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 (= |ULTIMATE.start_main_~i~3#1| 0) .cse8) (and .cse0 .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~i~3#1| 2147483647) .cse5 .cse6 .cse7 (<= 1 |ULTIMATE.start_main_~i~3#1|) .cse8))) [2022-11-22 00:23:09,139 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1889) no Hoare annotation was computed. [2022-11-22 00:23:09,139 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1886) no Hoare annotation was computed. [2022-11-22 00:23:09,139 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1898) no Hoare annotation was computed. [2022-11-22 00:23:09,139 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1894) no Hoare annotation was computed. [2022-11-22 00:23:09,139 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 8 10) the Hoare annotation is: true [2022-11-22 00:23:09,140 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 8 10) no Hoare annotation was computed. [2022-11-22 00:23:09,143 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:23:09,145 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 00:23:09,166 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-22 00:23:09,168 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-22 00:23:09,174 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-22 00:23:09,178 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-22 00:23:09,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 12:23:09 BoogieIcfgContainer [2022-11-22 00:23:09,201 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 00:23:09,201 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 00:23:09,201 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 00:23:09,202 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 00:23:09,202 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:22:32" (3/4) ... [2022-11-22 00:23:09,205 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 00:23:09,211 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-22 00:23:09,224 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 27 nodes and edges [2022-11-22 00:23:09,227 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-11-22 00:23:09,227 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-22 00:23:09,227 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 00:23:09,258 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((((((((argv <= 0 && !((if 1 <= argc && argc <= 10000 then 1 else 0) == 0)) && return_value_fflush$1 <= 2147483647) && return_value_gethostid$1 <= 9223372036854775807) && optind == 1) && bb_errno_location <= 2147483647) && 0 <= argv) && 0 <= 2147483648 + return_value_fflush_all$2) && 0 <= bb_errno_location + 2147483648) && 0 <= return_value_fflush$1 + 2147483648) && \result <= 9223372036854775807) && a == applet_name) && 0 <= applet_name) && 0 <= \old(argc)) && 0 <= res + 2147483648) && 0 <= \result + 9223372036854775808) && \result <= 2147483647) && \old(argc) <= 2147483646) && res <= 2147483647) && 10 <= j) && 0 <= argc) && 3 == dummy_utmp) && applet_name == a) && \result <= 2147483647) && mem_track == 0) && applet_name <= 0) && 0 <= 9223372036854775808 + return_value_gethostid$1) && 0 <= \result + 2147483648) && #NULL == 0) && i <= 2147483647) && 0 <= \result + 2147483648) && dummy_utmp == 0) && argv == 0) && argv <= 0) && 10 <= i) && ((((((((((argc <= i && \result == res) && \result == return_value_gethostid$1) && argv == argv) && \result == return_value_fflush$1) && \result == return_value_fflush_all$2) && \old(argc) == argc) && argc == \old(argc)) && \result == return_value_fflush_all$2) && argv == argv) || 1 <= i)) && 0 <= unknown-#StackHeapBarrier-unknown) && return_value_fflush_all$2 <= 2147483647) && 0 <= argv) && 0 <= i) && argc <= 2147483646) && #NULL == 0) && 0 <= i [2022-11-22 00:23:09,283 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 00:23:09,284 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 00:23:09,284 INFO L158 Benchmark]: Toolchain (without parser) took 39093.40ms. Allocated memory was 144.7MB in the beginning and 474.0MB in the end (delta: 329.3MB). Free memory was 111.9MB in the beginning and 387.1MB in the end (delta: -275.2MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB. [2022-11-22 00:23:09,285 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 57.7MB in the beginning and 57.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 00:23:09,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1421.22ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 108.0MB in the end (delta: 3.6MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. [2022-11-22 00:23:09,285 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.27ms. Allocated memory is still 144.7MB. Free memory was 108.0MB in the beginning and 104.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:23:09,285 INFO L158 Benchmark]: Boogie Preprocessor took 53.13ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 101.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 00:23:09,286 INFO L158 Benchmark]: RCFGBuilder took 902.33ms. Allocated memory is still 144.7MB. Free memory was 101.7MB in the beginning and 73.4MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2022-11-22 00:23:09,286 INFO L158 Benchmark]: TraceAbstraction took 36522.03ms. Allocated memory was 144.7MB in the beginning and 474.0MB in the end (delta: 329.3MB). Free memory was 72.9MB in the beginning and 391.3MB in the end (delta: -318.4MB). Peak memory consumption was 245.3MB. Max. memory is 16.1GB. [2022-11-22 00:23:09,286 INFO L158 Benchmark]: Witness Printer took 82.70ms. Allocated memory is still 474.0MB. Free memory was 391.3MB in the beginning and 387.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 00:23:09,288 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 57.7MB in the beginning and 57.5MB in the end (delta: 142.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1421.22ms. Allocated memory is still 144.7MB. Free memory was 111.6MB in the beginning and 108.0MB in the end (delta: 3.6MB). Peak memory consumption was 70.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.27ms. Allocated memory is still 144.7MB. Free memory was 108.0MB in the beginning and 104.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.13ms. Allocated memory is still 144.7MB. Free memory was 104.3MB in the beginning and 101.7MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 902.33ms. Allocated memory is still 144.7MB. Free memory was 101.7MB in the beginning and 73.4MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 36522.03ms. Allocated memory was 144.7MB in the beginning and 474.0MB in the end (delta: 329.3MB). Free memory was 72.9MB in the beginning and 391.3MB in the end (delta: -318.4MB). Peak memory consumption was 245.3MB. Max. memory is 16.1GB. * Witness Printer took 82.70ms. Allocated memory is still 474.0MB. Free memory was 391.3MB in the beginning and 387.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base - GenericResult: Unfinished Backtranslation Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1879]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1886]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1887]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1894]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1889]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1898]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 36.4s, OverallIterations: 14, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 6.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 236 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 231 mSDsluCounter, 503 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 262 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 651 IncrementalHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 241 mSDtfsCounter, 651 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 291 SyntacticMatches, 4 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 537 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=7, InterpolantAutomatonStates: 81, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 27 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 6 LocationsWithAnnotation, 7 PreInvPairs, 15 NumberOfFragments, 732 HoareAnnotationTreeSize, 7 FomulaSimplifications, 207 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 6 FomulaSimplificationsInter, 1807 FormulaSimplificationTreeSizeReductionInter, 1.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 405 NumberOfCodeBlocks, 405 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 452 ConstructedInterpolants, 0 QuantifiedInterpolants, 676 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3433 ConjunctsInSsa, 29 ConjunctsInUnsatCore, 30 InterpolantComputations, 10 PerfectInterpolantSequences, 66/88 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: OVERALL_TIME: 14.0s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 8, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 75, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 240, TOOLS_POST_TIME: 12.4s, TOOLS_POST_CALL_APPLICATIONS: 12, TOOLS_POST_CALL_TIME: 0.1s, TOOLS_POST_RETURN_APPLICATIONS: 8, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 260, TOOLS_QUANTIFIERELIM_TIME: 12.5s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.4s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 441, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 41, DOMAIN_JOIN_TIME: 0.5s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 31, DOMAIN_WIDEN_TIME: 0.5s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 48, DOMAIN_ISSUBSETEQ_TIME: 0.2s, DOMAIN_ISBOTTOM_APPLICATIONS: 75, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 17, LOOP_SUMMARIZER_CACHE_MISSES: 17, LOOP_SUMMARIZER_OVERALL_TIME: 9.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 9.6s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 48, CALL_SUMMARIZER_APPLICATIONS: 8, CALL_SUMMARIZER_CACHE_MISSES: 4, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 1414, DAG_COMPRESSION_RETAINED_NODES: 239, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold - InvariantResult [Line: 1879]: Loop Invariant Derived loop invariant: (((((((((a == 0 && bb_errno_location == 0) && 3 == dummy_utmp) && applet_name == 0) && #NULL == 0) && dummy_utmp == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && applet_name == 0) && i == 0) && #NULL == 0) || ((((((((((a == 0 && bb_errno_location == 0) && 3 == dummy_utmp) && applet_name == 0) && #NULL == 0) && i <= 2147483647) && dummy_utmp == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && applet_name == 0) && 1 <= i) && #NULL == 0) - InvariantResult [Line: 1889]: Loop Invariant [2022-11-22 00:23:09,297 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-22 00:23:09,298 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset [2022-11-22 00:23:09,299 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.base [2022-11-22 00:23:09,299 WARN L421 cessorBacktranslator]: Unfinished backtranslation: Name guessing unsuccessful for VarDecl var #memory_$Pointer$ : [$Pointer$]$Pointer$; and expression #memory_$Pointer$.offset Derived loop invariant: ((((((((((((((((((((((((((((!((if 1 <= argc && argc <= 10000 then 1 else 0) == 0) && optind == 1) && bb_errno_location <= 2147483647) && i == 0) && mem_track < unknown-#StackHeapBarrier-unknown) && !(argv == 0)) && 0 <= bb_errno_location + 2147483648) && a == applet_name) && 0 <= applet_name) && \valid[argv] == 1) && unknown-#length-unknown[mem_track] == 8 * ((argc + 1) % 2305843009213693952)) && #memory_$Pointer$[argv][argv + 8 * argc] == 0) && argv < unknown-#StackHeapBarrier-unknown) && 3 == dummy_utmp) && applet_name == a) && mem_track == 0) && applet_name <= 0) && #memory_$Pointer$[argv][argv + 8 * argc] == 0) && #NULL == 0) && i <= 2147483647) && dummy_utmp == 0) && argv == 0) && 10 <= i) && \valid[mem_track] == 1) && !(mem_track == 0)) && unknown-#length-unknown[argv] == 8 * ((argc + 1) % 2305843009213693952)) && 0 <= unknown-#StackHeapBarrier-unknown) && !(argv == mem_track)) && #NULL == 0) || (((((((((((((((((((((((!((if 1 <= argc && argc <= 10000 then 1 else 0) == 0) && optind == 1) && bb_errno_location <= 2147483647) && !(argv == 0)) && mem_track <= 0) && 0 <= bb_errno_location + 2147483648) && a == applet_name) && 0 <= applet_name) && \valid[argv] == 1) && 0 <= mem_track) && 10 <= j) && argv < unknown-#StackHeapBarrier-unknown) && 3 == dummy_utmp) && applet_name == a) && applet_name <= 0) && #NULL == 0) && i <= 2147483647) && dummy_utmp == 0) && argv == 0) && 10 <= i) && unknown-#length-unknown[argv] == 8 * ((argc + 1) % 2305843009213693952)) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) && 0 <= i) - InvariantResult [Line: 1894]: Loop Invariant Derived loop invariant: (((((((!((if 1 <= argc && argc <= 10000 then 1 else 0) == 0) && !(argv == 0)) && \valid[argv] == 1) && (((((((((((((((((((((((0 <= a && bb_errno_location <= 2147483647) && 3 <= dummy_utmp) && mem_track <= 0) && 0 <= bb_errno_location + 2147483648) && dummy_utmp <= 0) && 0 <= applet_name) && i <= 0) && #NULL <= 0) && 0 <= argv) && 0 <= mem_track) && 0 <= j) && optind <= 1) && applet_name <= 0) && dummy_utmp <= 3) && 0 <= dummy_utmp) && 10 <= i) && 0 <= #NULL) && 1 <= optind) && argv <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && a <= 0) && 0 <= i) || ((((((((((((((((((((((0 <= a && bb_errno_location <= 2147483647) && 3 <= dummy_utmp) && mem_track <= 0) && 0 <= bb_errno_location + 2147483648) && dummy_utmp <= 0) && 0 <= applet_name) && #NULL <= 0) && 0 <= argv) && 0 <= mem_track) && 0 <= j) && optind <= 1) && i <= 2147483646) && 1 <= i) && applet_name <= 0) && dummy_utmp <= 3) && 0 <= dummy_utmp) && 10 <= i) && 0 <= #NULL) && 1 <= optind) && argv <= 0) && 0 <= unknown-#StackHeapBarrier-unknown) && a <= 0))) && argv < unknown-#StackHeapBarrier-unknown) && applet_name == a) && i <= 2147483647) && unknown-#length-unknown[argv] == 8 * ((argc + 1) % 2305843009213693952)) && #NULL == 0 - InvariantResult [Line: 1898]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((argv <= 0 && !((if 1 <= argc && argc <= 10000 then 1 else 0) == 0)) && return_value_fflush$1 <= 2147483647) && return_value_gethostid$1 <= 9223372036854775807) && optind == 1) && bb_errno_location <= 2147483647) && 0 <= argv) && 0 <= 2147483648 + return_value_fflush_all$2) && 0 <= bb_errno_location + 2147483648) && 0 <= return_value_fflush$1 + 2147483648) && \result <= 9223372036854775807) && a == applet_name) && 0 <= applet_name) && 0 <= \old(argc)) && 0 <= res + 2147483648) && 0 <= \result + 9223372036854775808) && \result <= 2147483647) && \old(argc) <= 2147483646) && res <= 2147483647) && 10 <= j) && 0 <= argc) && 3 == dummy_utmp) && applet_name == a) && \result <= 2147483647) && mem_track == 0) && applet_name <= 0) && 0 <= 9223372036854775808 + return_value_gethostid$1) && 0 <= \result + 2147483648) && #NULL == 0) && i <= 2147483647) && 0 <= \result + 2147483648) && dummy_utmp == 0) && argv == 0) && argv <= 0) && 10 <= i) && ((((((((((argc <= i && \result == res) && \result == return_value_gethostid$1) && argv == argv) && \result == return_value_fflush$1) && \result == return_value_fflush_all$2) && \old(argc) == argc) && argc == \old(argc)) && \result == return_value_fflush_all$2) && argv == argv) || 1 <= i)) && 0 <= unknown-#StackHeapBarrier-unknown) && return_value_fflush_all$2 <= 2147483647) && 0 <= argv) && 0 <= i) && argc <= 2147483646) && #NULL == 0) && 0 <= i RESULT: Ultimate proved your program to be correct! [2022-11-22 00:23:09,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_77853778-0ff3-479d-9412-4e3df3ad3e11/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE