./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/pr3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS --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 32bit --witnessprinter.graph.data.programhash 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 --- 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-8393723 [2022-11-19 07:56:44,442 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:56:44,445 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:56:44,480 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:56:44,481 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:56:44,482 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:56:44,483 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:56:44,485 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:56:44,490 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:56:44,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:56:44,497 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:56:44,501 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:56:44,501 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:56:44,504 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:56:44,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:56:44,512 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:56:44,515 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:56:44,516 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:56:44,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:56:44,521 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:56:44,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:56:44,527 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:56:44,529 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:56:44,531 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:56:44,537 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:56:44,542 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:56:44,542 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:56:44,543 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:56:44,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:56:44,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:56:44,548 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:56:44,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:56:44,550 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:56:44,551 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:56:44,553 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:56:44,554 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:56:44,555 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:56:44,555 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:56:44,555 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:56:44,556 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:56:44,557 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:56:44,558 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-19 07:56:44,601 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:56:44,601 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:56:44,602 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:56:44,602 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:56:44,603 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:56:44,603 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:56:44,604 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:56:44,604 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:56:44,604 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:56:44,604 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:56:44,605 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:56:44,606 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:56:44,606 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:56:44,606 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:56:44,606 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:56:44,607 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:56:44,607 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:56:44,607 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:56:44,608 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:56:44,608 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:56:44,608 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:56:44,609 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:56:44,609 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:56:44,609 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:56:44,609 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:56:44,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:56:44,610 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:56:44,611 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 07:56:44,611 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:56:44,612 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:56:44,612 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:56:44,612 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:56:44,613 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:56:44,613 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:56:44,613 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:44,613 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:56:44,614 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:56:44,614 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:56:44,614 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:56:44,614 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:56:44,614 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:56:44,615 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:56:44,615 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:56:44,615 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_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 [2022-11-19 07:56:44,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:56:44,915 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:56:44,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:56:44,919 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:56:44,920 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:56:44,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/array-tiling/pr3.c [2022-11-19 07:56:45,003 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/data/ba64eea34/f1d8ac920d514056b526f0abd9c20c5e/FLAG5e086679f [2022-11-19 07:56:45,469 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:56:45,470 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/sv-benchmarks/c/array-tiling/pr3.c [2022-11-19 07:56:45,476 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/data/ba64eea34/f1d8ac920d514056b526f0abd9c20c5e/FLAG5e086679f [2022-11-19 07:56:45,957 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/data/ba64eea34/f1d8ac920d514056b526f0abd9c20c5e [2022-11-19 07:56:45,961 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:56:45,962 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:56:45,964 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:45,964 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:56:45,968 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:56:45,969 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:45" (1/1) ... [2022-11-19 07:56:45,970 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@438ebf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:45, skipping insertion in model container [2022-11-19 07:56:45,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:45" (1/1) ... [2022-11-19 07:56:45,980 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:56:46,001 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:56:46,181 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-19 07:56:46,205 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:46,213 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:56:46,226 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-19 07:56:46,237 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:56:46,251 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:56:46,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46 WrapperNode [2022-11-19 07:56:46,251 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:56:46,253 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:46,253 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:56:46,253 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:56:46,261 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,268 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,291 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-11-19 07:56:46,291 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:56:46,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:56:46,292 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:56:46,293 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:56:46,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,306 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,306 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,315 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,317 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:56:46,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:56:46,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:56:46,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:56:46,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (1/1) ... [2022-11-19 07:56:46,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:56:46,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:46,357 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:56:46,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:56:46,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:56:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:56:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:56:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:56:46,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:56:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:56:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:56:46,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:56:46,469 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:56:46,471 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:56:46,726 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:56:46,805 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:56:46,805 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:56:46,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:46 BoogieIcfgContainer [2022-11-19 07:56:46,808 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:56:46,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:56:46,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:56:46,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:56:46,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:45" (1/3) ... [2022-11-19 07:56:46,821 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680bd9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:46, skipping insertion in model container [2022-11-19 07:56:46,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:46" (2/3) ... [2022-11-19 07:56:46,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@680bd9bc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:46, skipping insertion in model container [2022-11-19 07:56:46,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:46" (3/3) ... [2022-11-19 07:56:46,823 INFO L112 eAbstractionObserver]: Analyzing ICFG pr3.c [2022-11-19 07:56:46,843 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:56:46,843 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-19 07:56:46,897 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:56:46,904 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;@1b83bf4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:56:46,904 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-19 07:56:46,909 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 42 states have (on average 1.9047619047619047) internal successors, (80), 72 states have internal predecessors, (80), 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) [2022-11-19 07:56:46,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:56:46,922 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:46,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:56:46,924 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:56:46,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:46,932 INFO L85 PathProgramCache]: Analyzing trace with hash 5342220, now seen corresponding path program 1 times [2022-11-19 07:56:46,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:46,968 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863756210] [2022-11-19 07:56:46,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:46,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:47,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:47,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:47,474 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:47,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863756210] [2022-11-19 07:56:47,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863756210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:47,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:47,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:56:47,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241497222] [2022-11-19 07:56:47,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:47,505 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:56:47,505 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:47,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:56:47,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:56:47,565 INFO L87 Difference]: Start difference. First operand has 73 states, 42 states have (on average 1.9047619047619047) internal successors, (80), 72 states have internal predecessors, (80), 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) Second operand has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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) [2022-11-19 07:56:47,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:47,682 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2022-11-19 07:56:47,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:56:47,690 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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 4 [2022-11-19 07:56:47,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:47,703 INFO L225 Difference]: With dead ends: 87 [2022-11-19 07:56:47,703 INFO L226 Difference]: Without dead ends: 68 [2022-11-19 07:56:47,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:56:47,710 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 223 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 223 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:47,712 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [223 Valid, 67 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:56:47,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-19 07:56:47,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-19 07:56:47,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 40 states have (on average 1.8) internal successors, (72), 67 states have internal predecessors, (72), 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) [2022-11-19 07:56:47,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2022-11-19 07:56:47,752 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 4 [2022-11-19 07:56:47,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:47,753 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-11-19 07:56:47,753 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.0) internal successors, (4), 4 states have internal predecessors, (4), 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) [2022-11-19 07:56:47,753 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-11-19 07:56:47,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:56:47,754 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:47,754 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:47,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:56:47,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:56:47,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:47,756 INFO L85 PathProgramCache]: Analyzing trace with hash -1263399085, now seen corresponding path program 1 times [2022-11-19 07:56:47,756 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:47,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [926323193] [2022-11-19 07:56:47,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:47,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:47,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:47,833 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:47,833 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [926323193] [2022-11-19 07:56:47,833 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [926323193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:47,833 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:47,834 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:56:47,834 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736260545] [2022-11-19 07:56:47,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:47,835 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:56:47,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:47,836 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:56:47,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:56:47,837 INFO L87 Difference]: Start difference. First operand 68 states and 72 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-19 07:56:47,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:47,997 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2022-11-19 07:56:47,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:56:47,998 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2022-11-19 07:56:47,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:47,999 INFO L225 Difference]: With dead ends: 128 [2022-11-19 07:56:48,000 INFO L226 Difference]: Without dead ends: 104 [2022-11-19 07:56:48,000 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 [2022-11-19 07:56:48,002 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 34 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:48,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 56 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:56:48,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-19 07:56:48,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2022-11-19 07:56:48,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 70 states have (on average 1.5142857142857142) internal successors, (106), 97 states have internal predecessors, (106), 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) [2022-11-19 07:56:48,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2022-11-19 07:56:48,015 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 8 [2022-11-19 07:56:48,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:48,015 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2022-11-19 07:56:48,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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) [2022-11-19 07:56:48,016 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2022-11-19 07:56:48,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:56:48,016 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:48,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:48,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:56:48,017 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:56:48,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:48,018 INFO L85 PathProgramCache]: Analyzing trace with hash -510652293, now seen corresponding path program 1 times [2022-11-19 07:56:48,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:48,019 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975250061] [2022-11-19 07:56:48,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:48,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:48,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:48,133 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:48,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975250061] [2022-11-19 07:56:48,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975250061] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:48,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:48,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:56:48,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881424342] [2022-11-19 07:56:48,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:48,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:56:48,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:48,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:56:48,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:56:48,136 INFO L87 Difference]: Start difference. First operand 98 states and 106 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-19 07:56:48,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:48,263 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2022-11-19 07:56:48,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:56:48,264 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 9 [2022-11-19 07:56:48,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:48,270 INFO L225 Difference]: With dead ends: 103 [2022-11-19 07:56:48,270 INFO L226 Difference]: Without dead ends: 101 [2022-11-19 07:56:48,272 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:56:48,278 INFO L413 NwaCegarLoop]: 67 mSDtfsCounter, 3 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:48,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 146 Invalid, 70 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:56:48,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-19 07:56:48,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-19 07:56:48,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.4931506849315068) internal successors, (109), 100 states have internal predecessors, (109), 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) [2022-11-19 07:56:48,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2022-11-19 07:56:48,293 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 9 [2022-11-19 07:56:48,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:48,293 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2022-11-19 07:56:48,294 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-19 07:56:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2022-11-19 07:56:48,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-19 07:56:48,295 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:48,295 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:48,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:56:48,296 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:56:48,301 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:48,301 INFO L85 PathProgramCache]: Analyzing trace with hash -68134675, now seen corresponding path program 1 times [2022-11-19 07:56:48,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:48,302 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [827398213] [2022-11-19 07:56:48,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:48,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:48,470 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:48,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:48,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [827398213] [2022-11-19 07:56:48,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [827398213] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:56:48,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1462270612] [2022-11-19 07:56:48,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:48,471 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:48,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:48,475 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:48,520 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:56:48,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:48,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:56:48,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:48,675 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:48,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:56:48,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:48,733 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1462270612] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:56:48,733 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [544972016] [2022-11-19 07:56:48,760 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-19 07:56:48,760 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:56:48,766 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:56:48,773 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:56:48,773 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:56:48,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:48,955 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:56:48,956 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:56:48,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:48,988 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 26 treesize of output 34 [2022-11-19 07:56:49,096 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:56:49,813 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [544972016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:49,813 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:56:49,814 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-19 07:56:49,814 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [401447216] [2022-11-19 07:56:49,814 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:49,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:56:49,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:49,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:56:49,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-19 07:56:49,816 INFO L87 Difference]: Start difference. First operand 101 states and 109 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-19 07:56:50,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:50,304 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2022-11-19 07:56:50,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-19 07:56:50,305 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-19 07:56:50,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:50,305 INFO L225 Difference]: With dead ends: 115 [2022-11-19 07:56:50,306 INFO L226 Difference]: Without dead ends: 106 [2022-11-19 07:56:50,306 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-19 07:56:50,307 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 163 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:50,307 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 39 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:56:50,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-19 07:56:50,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2022-11-19 07:56:50,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 73 states have (on average 1.4794520547945205) internal successors, (108), 100 states have internal predecessors, (108), 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) [2022-11-19 07:56:50,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2022-11-19 07:56:50,322 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 12 [2022-11-19 07:56:50,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:50,322 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2022-11-19 07:56:50,323 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-19 07:56:50,323 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2022-11-19 07:56:50,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-19 07:56:50,324 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:50,324 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:50,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:56:50,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:50,525 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:56:50,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:50,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1689851049, now seen corresponding path program 1 times [2022-11-19 07:56:50,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:50,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1498658126] [2022-11-19 07:56:50,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:50,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:50,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:50,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:50,650 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:50,650 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1498658126] [2022-11-19 07:56:50,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1498658126] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:50,651 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:56:50,651 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:56:50,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142026261] [2022-11-19 07:56:50,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:50,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 07:56:50,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:50,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 07:56:50,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-19 07:56:50,652 INFO L87 Difference]: Start difference. First operand 101 states and 108 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-11-19 07:56:50,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:50,825 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2022-11-19 07:56:50,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:56:50,825 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 23 [2022-11-19 07:56:50,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:50,826 INFO L225 Difference]: With dead ends: 106 [2022-11-19 07:56:50,827 INFO L226 Difference]: Without dead ends: 104 [2022-11-19 07:56:50,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:56:50,828 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 18 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:50,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 94 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:56:50,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-19 07:56:50,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-19 07:56:50,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.4605263157894737) internal successors, (111), 103 states have internal predecessors, (111), 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) [2022-11-19 07:56:50,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2022-11-19 07:56:50,841 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 23 [2022-11-19 07:56:50,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:50,841 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2022-11-19 07:56:50,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2022-11-19 07:56:50,842 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2022-11-19 07:56:50,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-19 07:56:50,842 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:50,843 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:50,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:56:50,843 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:56:50,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:50,844 INFO L85 PathProgramCache]: Analyzing trace with hash -10261982, now seen corresponding path program 1 times [2022-11-19 07:56:50,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:50,844 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580895375] [2022-11-19 07:56:50,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:50,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:50,932 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:50,932 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:50,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580895375] [2022-11-19 07:56:50,933 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1580895375] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:56:50,933 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380890961] [2022-11-19 07:56:50,933 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:50,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:50,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:50,935 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:50,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:56:51,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:51,017 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:56:51,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:51,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:51,085 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:56:51,153 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:51,153 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380890961] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:56:51,153 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1879763531] [2022-11-19 07:56:51,156 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-19 07:56:51,156 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:56:51,157 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:56:51,157 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:56:51,157 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:56:51,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:51,254 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:56:51,255 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:56:51,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:51,277 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 26 treesize of output 34 [2022-11-19 07:56:51,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:51,442 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 07:56:51,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:51,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 07:56:51,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:51,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 07:56:51,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:51,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 07:56:52,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,015 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 153 [2022-11-19 07:56:52,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,141 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 168 [2022-11-19 07:56:52,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:52,947 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 07:56:52,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 74 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 48 case distinctions, treesize of input 556 treesize of output 535 [2022-11-19 07:56:53,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,401 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 07:56:53,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 87 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 56 case distinctions, treesize of input 562 treesize of output 544 [2022-11-19 07:56:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:53,819 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 07:56:53,820 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 101 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 568 treesize of output 553 [2022-11-19 07:56:53,959 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:56:53,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-19 07:56:54,065 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 07:56:54,392 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:56:54,505 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:56:54,551 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:56:57,621 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1407#(and (not (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (<= 0 |#NULL.base|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= 7 |ULTIMATE.start_main_~CCCELVOL3~0#1|) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.offset|) (<= |ULTIMATE.start_main_~MINVAL~0#1| 7) (<= |#NULL.offset| 0) (<= ~CELLCOUNT~0 2147483647) (<= 1 ~CELLCOUNT~0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= |#NULL.base| 0) (<= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= 0 |#NULL.offset|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (<= 1 |ULTIMATE.start_main_~CCCELVOL1~0#1|))' at error location [2022-11-19 07:56:57,621 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-19 07:56:57,621 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:56:57,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-19 07:56:57,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [135511590] [2022-11-19 07:56:57,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-19 07:56:57,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:56:57,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:57,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:56:57,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2022-11-19 07:56:57,623 INFO L87 Difference]: Start difference. First operand 104 states and 111 transitions. Second operand has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 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) [2022-11-19 07:56:57,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:57,947 INFO L93 Difference]: Finished difference Result 149 states and 186 transitions. [2022-11-19 07:56:57,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:56:57,948 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 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 29 [2022-11-19 07:56:57,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:57,949 INFO L225 Difference]: With dead ends: 149 [2022-11-19 07:56:57,949 INFO L226 Difference]: Without dead ends: 136 [2022-11-19 07:56:57,949 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 56 SyntacticMatches, 12 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2022-11-19 07:56:57,950 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 149 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:57,951 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 77 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:56:57,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-19 07:56:57,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2022-11-19 07:56:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 115 states have (on average 1.382608695652174) internal successors, (159), 132 states have internal predecessors, (159), 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) [2022-11-19 07:56:57,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2022-11-19 07:56:57,963 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 29 [2022-11-19 07:56:57,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:57,963 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2022-11-19 07:56:57,963 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 8.666666666666666) internal successors, (78), 10 states have internal predecessors, (78), 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) [2022-11-19 07:56:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2022-11-19 07:56:57,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-19 07:56:57,964 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:57,965 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, 1, 1, 1, 1, 1] [2022-11-19 07:56:57,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:56:58,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:58,170 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:56:58,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:58,171 INFO L85 PathProgramCache]: Analyzing trace with hash -318121376, now seen corresponding path program 1 times [2022-11-19 07:56:58,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:58,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [468896492] [2022-11-19 07:56:58,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:58,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:58,279 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:58,279 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:58,279 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [468896492] [2022-11-19 07:56:58,280 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [468896492] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:56:58,280 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685435579] [2022-11-19 07:56:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:58,280 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:58,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:58,282 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:58,305 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:56:58,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:58,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-19 07:56:58,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:58,399 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:56:58,399 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:56:58,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685435579] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:56:58,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:56:58,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-19 07:56:58,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690562855] [2022-11-19 07:56:58,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:56:58,400 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:56:58,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:56:58,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:56:58,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-19 07:56:58,401 INFO L87 Difference]: Start difference. First operand 133 states and 159 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-11-19 07:56:58,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:56:58,531 INFO L93 Difference]: Finished difference Result 133 states and 159 transitions. [2022-11-19 07:56:58,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:56:58,532 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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 30 [2022-11-19 07:56:58,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:56:58,532 INFO L225 Difference]: With dead ends: 133 [2022-11-19 07:56:58,533 INFO L226 Difference]: Without dead ends: 120 [2022-11-19 07:56:58,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:56:58,534 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 56 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:56:58,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 55 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 154 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:56:58,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-19 07:56:58,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-11-19 07:56:58,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 115 states have (on average 1.1565217391304348) internal successors, (133), 119 states have internal predecessors, (133), 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) [2022-11-19 07:56:58,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 133 transitions. [2022-11-19 07:56:58,544 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 133 transitions. Word has length 30 [2022-11-19 07:56:58,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:56:58,544 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 133 transitions. [2022-11-19 07:56:58,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-11-19 07:56:58,545 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 133 transitions. [2022-11-19 07:56:58,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 07:56:58,546 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:56:58,546 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:56:58,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-19 07:56:58,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:58,752 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:56:58,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:56:58,752 INFO L85 PathProgramCache]: Analyzing trace with hash -2050378692, now seen corresponding path program 1 times [2022-11-19 07:56:58,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:56:58,753 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124890849] [2022-11-19 07:56:58,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:58,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:56:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:58,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:56:58,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:56:58,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124890849] [2022-11-19 07:56:58,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [124890849] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:56:58,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [641202229] [2022-11-19 07:56:58,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:56:58,855 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:56:58,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:56:58,858 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:56:58,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:56:58,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:56:58,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:56:58,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:56:58,951 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:56:58,951 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:56:58,991 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:56:58,992 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [641202229] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:56:58,992 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [113344005] [2022-11-19 07:56:58,994 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-19 07:56:58,995 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:56:58,995 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:56:58,995 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:56:58,995 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:56:59,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,051 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:56:59,052 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:56:59,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,065 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 26 treesize of output 34 [2022-11-19 07:56:59,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,157 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 07:56:59,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,257 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 07:56:59,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 07:56:59,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,534 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-19 07:56:59,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,636 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-19 07:56:59,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:56:59,740 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 157 [2022-11-19 07:57:00,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,214 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:00,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,236 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:00,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,257 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-19 07:57:00,258 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 566 treesize of output 545 [2022-11-19 07:57:00,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,554 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:00,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,578 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:00,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,601 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-19 07:57:00,601 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 572 treesize of output 554 [2022-11-19 07:57:00,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,889 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:00,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,909 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:00,944 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-19 07:57:00,945 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 82 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 67 case distinctions, treesize of input 578 treesize of output 563 [2022-11-19 07:57:01,123 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:01,181 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-19 07:57:01,253 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 07:57:02,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:02,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:02,142 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:57:04,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [113344005] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:04,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:57:04,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 5, 5] total 26 [2022-11-19 07:57:04,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171319978] [2022-11-19 07:57:04,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:04,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-19 07:57:04,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:04,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-19 07:57:04,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2022-11-19 07:57:04,780 INFO L87 Difference]: Start difference. First operand 120 states and 133 transitions. Second operand has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 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) [2022-11-19 07:57:10,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:10,562 INFO L93 Difference]: Finished difference Result 326 states and 370 transitions. [2022-11-19 07:57:10,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-19 07:57:10,563 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 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 33 [2022-11-19 07:57:10,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:10,563 INFO L225 Difference]: With dead ends: 326 [2022-11-19 07:57:10,563 INFO L226 Difference]: Without dead ends: 145 [2022-11-19 07:57:10,565 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 65 SyntacticMatches, 12 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=325, Invalid=1315, Unknown=0, NotChecked=0, Total=1640 [2022-11-19 07:57:10,565 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 445 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 445 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 540 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:10,566 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [445 Valid, 22 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 540 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:57:10,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-19 07:57:10,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 121. [2022-11-19 07:57:10,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 116 states have (on average 1.1551724137931034) internal successors, (134), 120 states have internal predecessors, (134), 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) [2022-11-19 07:57:10,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 134 transitions. [2022-11-19 07:57:10,584 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 134 transitions. Word has length 33 [2022-11-19 07:57:10,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:10,584 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 134 transitions. [2022-11-19 07:57:10,584 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 1.875) internal successors, (30), 16 states have internal predecessors, (30), 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) [2022-11-19 07:57:10,584 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 134 transitions. [2022-11-19 07:57:10,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 07:57:10,586 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:57:10,586 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:10,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:57:10,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:10,792 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:57:10,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:57:10,792 INFO L85 PathProgramCache]: Analyzing trace with hash 65653894, now seen corresponding path program 1 times [2022-11-19 07:57:10,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:57:10,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938708374] [2022-11-19 07:57:10,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:10,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:57:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:10,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:10,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1938708374] [2022-11-19 07:57:10,919 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1938708374] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:57:10,919 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [961134714] [2022-11-19 07:57:10,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:10,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:10,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:57:10,920 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:57:10,953 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:57:11,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:11,001 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:57:11,002 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:57:11,023 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:11,023 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:57:11,058 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:11,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [961134714] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:57:11,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1258232210] [2022-11-19 07:57:11,061 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-19 07:57:11,061 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:57:11,061 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:57:11,061 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:57:11,062 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:57:11,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:11,118 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:57:11,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:57:11,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:11,136 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 26 treesize of output 34 [2022-11-19 07:57:11,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:11,220 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 07:57:11,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:11,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 07:57:11,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:11,360 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 07:57:11,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:11,499 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 07:57:11,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:11,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 153 [2022-11-19 07:57:11,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:11,669 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 168 [2022-11-19 07:57:12,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,269 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 07:57:12,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 74 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 48 case distinctions, treesize of input 556 treesize of output 535 [2022-11-19 07:57:12,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,743 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 07:57:12,744 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 87 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 56 case distinctions, treesize of input 562 treesize of output 544 [2022-11-19 07:57:12,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:12,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:13,061 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 07:57:13,062 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 101 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 568 treesize of output 553 [2022-11-19 07:57:13,171 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:13,199 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-19 07:57:13,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 07:57:13,637 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:13,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-19 07:57:13,723 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:57:17,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1258232210] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:17,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:57:17,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [5, 5, 5] total 27 [2022-11-19 07:57:17,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887915350] [2022-11-19 07:57:17,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:17,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-19 07:57:17,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:17,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-19 07:57:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=633, Unknown=0, NotChecked=0, Total=756 [2022-11-19 07:57:17,214 INFO L87 Difference]: Start difference. First operand 121 states and 134 transitions. Second operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2022-11-19 07:57:27,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:27,274 INFO L93 Difference]: Finished difference Result 292 states and 330 transitions. [2022-11-19 07:57:27,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-19 07:57:27,275 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 33 [2022-11-19 07:57:27,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:27,277 INFO L225 Difference]: With dead ends: 292 [2022-11-19 07:57:27,277 INFO L226 Difference]: Without dead ends: 141 [2022-11-19 07:57:27,278 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 63 SyntacticMatches, 13 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=375, Invalid=1431, Unknown=0, NotChecked=0, Total=1806 [2022-11-19 07:57:27,279 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 290 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 51 IncrementalHoareTripleChecker+Valid, 463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:27,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 23 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:57:27,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-19 07:57:27,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 126. [2022-11-19 07:57:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 121 states have (on average 1.1487603305785123) internal successors, (139), 125 states have internal predecessors, (139), 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) [2022-11-19 07:57:27,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 139 transitions. [2022-11-19 07:57:27,287 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 139 transitions. Word has length 33 [2022-11-19 07:57:27,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:27,287 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 139 transitions. [2022-11-19 07:57:27,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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) [2022-11-19 07:57:27,287 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 139 transitions. [2022-11-19 07:57:27,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 07:57:27,288 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:57:27,288 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:27,293 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-11-19 07:57:27,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:27,493 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:57:27,494 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:57:27,494 INFO L85 PathProgramCache]: Analyzing trace with hash 1731866108, now seen corresponding path program 1 times [2022-11-19 07:57:27,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:57:27,495 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [326932153] [2022-11-19 07:57:27,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:27,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:57:27,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:27,584 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:27,584 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [326932153] [2022-11-19 07:57:27,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [326932153] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:57:27,587 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249113653] [2022-11-19 07:57:27,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:27,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:27,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:57:27,588 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:57:27,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-19 07:57:27,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:27,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:57:27,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:57:27,684 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:27,685 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:57:27,715 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:27,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [249113653] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:57:27,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [651963782] [2022-11-19 07:57:27,717 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-19 07:57:27,717 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:57:27,718 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:57:27,718 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:57:27,718 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:57:27,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:27,773 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:57:27,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:57:27,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:27,798 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 26 treesize of output 34 [2022-11-19 07:57:27,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:27,876 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 07:57:27,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:27,944 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 07:57:28,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 07:57:28,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 127 [2022-11-19 07:57:28,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,219 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 110 treesize of output 142 [2022-11-19 07:57:28,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,359 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:28,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:28,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,403 INFO L321 Elim1Store]: treesize reduction 109, result has 12.1 percent of original size [2022-11-19 07:57:28,403 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 47 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 43 case distinctions, treesize of input 665 treesize of output 656 [2022-11-19 07:57:28,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,827 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,850 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:28,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:28,870 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-19 07:57:28,871 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 58 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 51 case distinctions, treesize of input 560 treesize of output 548 [2022-11-19 07:57:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,124 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:29,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,143 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-19 07:57:29,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:29,165 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-19 07:57:29,166 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 70 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 59 case distinctions, treesize of input 566 treesize of output 557 [2022-11-19 07:57:29,355 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:29,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-19 07:57:29,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 07:57:29,466 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:29,887 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:29,935 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-19 07:57:29,961 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:57:33,263 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [651963782] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:33,264 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:57:33,264 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [5, 5, 5] total 28 [2022-11-19 07:57:33,264 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743512376] [2022-11-19 07:57:33,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:33,265 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-19 07:57:33,265 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:33,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-19 07:57:33,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2022-11-19 07:57:33,266 INFO L87 Difference]: Start difference. First operand 126 states and 139 transitions. Second operand has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 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) [2022-11-19 07:57:43,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:43,210 INFO L93 Difference]: Finished difference Result 274 states and 310 transitions. [2022-11-19 07:57:43,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-19 07:57:43,210 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 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 33 [2022-11-19 07:57:43,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:43,211 INFO L225 Difference]: With dead ends: 274 [2022-11-19 07:57:43,211 INFO L226 Difference]: Without dead ends: 120 [2022-11-19 07:57:43,212 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 64 SyntacticMatches, 11 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 703 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=398, Invalid=1582, Unknown=0, NotChecked=0, Total=1980 [2022-11-19 07:57:43,213 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 219 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 566 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:43,213 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 36 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-19 07:57:43,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-19 07:57:43,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 112. [2022-11-19 07:57:43,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 107 states have (on average 1.1495327102803738) internal successors, (123), 111 states have internal predecessors, (123), 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) [2022-11-19 07:57:43,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2022-11-19 07:57:43,221 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 33 [2022-11-19 07:57:43,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:43,221 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2022-11-19 07:57:43,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 1.6666666666666667) internal successors, (30), 18 states have internal predecessors, (30), 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) [2022-11-19 07:57:43,222 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2022-11-19 07:57:43,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-19 07:57:43,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:57:43,223 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:43,230 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-19 07:57:43,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 07:57:43,426 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 27 more)] === [2022-11-19 07:57:43,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:57:43,427 INFO L85 PathProgramCache]: Analyzing trace with hash -1118556602, now seen corresponding path program 1 times [2022-11-19 07:57:43,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:57:43,427 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119460870] [2022-11-19 07:57:43,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:43,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:57:43,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:43,510 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:43,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:57:43,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119460870] [2022-11-19 07:57:43,511 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119460870] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:57:43,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1525200151] [2022-11-19 07:57:43,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:57:43,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:43,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:57:43,512 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:57:43,537 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-19 07:57:43,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:57:43,602 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-19 07:57:43,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:57:43,623 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:43,623 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:57:43,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-19 07:57:43,656 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1525200151] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:57:43,656 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [576980398] [2022-11-19 07:57:43,658 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-19 07:57:43,658 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:57:43,659 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:57:43,659 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:57:43,659 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:57:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:43,713 INFO L321 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2022-11-19 07:57:43,713 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 2 case distinctions, treesize of input 26 treesize of output 42 [2022-11-19 07:57:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:43,758 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-19 07:57:43,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 8 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 32 treesize of output 49 [2022-11-19 07:57:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:43,848 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 19 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 93 [2022-11-19 07:57:43,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:43,917 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 20 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 108 [2022-11-19 07:57:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:43,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 22 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 123 [2022-11-19 07:57:44,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,095 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 25 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 109 treesize of output 138 [2022-11-19 07:57:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 29 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 121 treesize of output 153 [2022-11-19 07:57:44,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,225 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 34 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 133 treesize of output 168 [2022-11-19 07:57:44,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,625 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 07:57:44,625 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 14 select indices, 14 select index equivalence classes, 74 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 48 case distinctions, treesize of input 556 treesize of output 535 [2022-11-19 07:57:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:44,892 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 07:57:44,892 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 15 select indices, 15 select index equivalence classes, 87 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 56 case distinctions, treesize of input 562 treesize of output 544 [2022-11-19 07:57:45,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:57:45,178 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-19 07:57:45,179 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 101 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 64 case distinctions, treesize of input 568 treesize of output 553 [2022-11-19 07:57:45,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:45,322 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 28 [2022-11-19 07:57:45,347 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 41 treesize of output 43 [2022-11-19 07:57:45,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:45,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:57:45,901 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 07:57:48,653 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [576980398] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:57:48,653 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-19 07:57:48,653 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5, 5, 5] total 25 [2022-11-19 07:57:48,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753155307] [2022-11-19 07:57:48,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:57:48,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-19 07:57:48,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:57:48,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-19 07:57:48,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2022-11-19 07:57:48,655 INFO L87 Difference]: Start difference. First operand 112 states and 123 transitions. Second operand has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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) [2022-11-19 07:57:54,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:57:54,712 INFO L93 Difference]: Finished difference Result 209 states and 240 transitions. [2022-11-19 07:57:54,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-19 07:57:54,712 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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 33 [2022-11-19 07:57:54,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:57:54,713 INFO L225 Difference]: With dead ends: 209 [2022-11-19 07:57:54,713 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:57:54,714 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 62 SyntacticMatches, 16 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=263, Invalid=1069, Unknown=0, NotChecked=0, Total=1332 [2022-11-19 07:57:54,714 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 244 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 306 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 260 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:57:54,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:57:54,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:57:54,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:57:54,716 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) [2022-11-19 07:57:54,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:57:54,716 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-11-19 07:57:54,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:57:54,716 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:57:54,716 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 2.0) internal successors, (30), 15 states have internal predecessors, (30), 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) [2022-11-19 07:57:54,717 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:57:54,717 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:57:54,719 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-19 07:57:54,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-19 07:57:54,720 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-19 07:57:54,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-19 07:57:54,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-19 07:57:54,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-19 07:57:54,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-19 07:57:54,721 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-19 07:57:54,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-19 07:57:54,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-19 07:57:54,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-19 07:57:54,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-19 07:57:54,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-19 07:57:54,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-19 07:57:54,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-19 07:57:54,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-19 07:57:54,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-19 07:57:54,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-19 07:57:54,723 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-19 07:57:54,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-19 07:57:54,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-19 07:57:54,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-19 07:57:54,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-19 07:57:54,724 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-19 07:57:54,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-19 07:57:54,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-19 07:57:54,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-19 07:57:54,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-19 07:57:54,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-19 07:57:54,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-19 07:57:54,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-19 07:57:54,931 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:57:54,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 07:57:56,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-19 07:57:56,607 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-19 07:57:56,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-19 07:57:56,608 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-19 07:57:56,608 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-19 07:57:56,608 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-19 07:57:56,608 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-11-19 07:57:56,608 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-11-19 07:57:56,609 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-19 07:57:56,609 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 07:57:56,609 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-19 07:57:56,609 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 56) no Hoare annotation was computed. [2022-11-19 07:57:56,609 INFO L899 garLoopResultBuilder]: For program point L28-4(lines 28 56) no Hoare annotation was computed. [2022-11-19 07:57:56,609 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-11-19 07:57:56,609 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-19 07:57:56,610 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-11-19 07:57:56,611 INFO L895 garLoopResultBuilder]: At program point L28-7(lines 28 56) the Hoare annotation is: (let ((.cse36 (select |#memory_int| 1)) (.cse35 (select |#memory_int| 2))) (let ((.cse0 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3))) (.cse1 (= (select |#length| 3) 12)) (.cse2 (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7)) (.cse3 (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse4 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse5 (= (select .cse35 5) 0)) (.cse6 (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) (.cse7 (= 114 (select .cse35 1))) (.cse8 (<= 2 ~CELLCOUNT~0)) (.cse9 (= 2 (select |#length| 1))) (.cse10 (= (select |#valid| 3) 1)) (.cse11 (<= ~CELLCOUNT~0 2147483647)) (.cse12 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse13 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse15 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse16 (= 51 (select .cse35 2))) (.cse17 (= (select |#valid| 1) 1)) (.cse18 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse20 (= (select .cse35 4) 99)) (.cse21 (= 112 (select .cse35 0))) (.cse22 (= (select |#valid| 0) 0)) (.cse23 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse24 (= (select |#valid| 2) 1)) (.cse25 (= |#NULL.offset| 0)) (.cse26 (= (select .cse36 0) 48)) (.cse27 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse28 (= (select .cse36 1) 0)) (.cse29 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse30 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse31 (= 46 (select .cse35 3))) (.cse19 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse32 (= 6 (select |#length| 2))) (.cse33 (< 0 |#StackHeapBarrier|)) (.cse34 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= 1 |ULTIMATE.start_main_~MINVAL~0#1|) .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 .cse32 .cse33 .cse34) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse31 (or (and (= |ULTIMATE.start_main_~CCCELVOL1~0#1| (select (select |#memory_int| |ULTIMATE.start_main_~#volArray~0#1.base|) (+ |ULTIMATE.start_main_~#volArray~0#1.offset| (- 16) (* |ULTIMATE.start_main_~i~0#1| 12)))) .cse19) (and (= |ULTIMATE.start_main_~i~0#1| 1) (= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| |ULTIMATE.start_assume_abort_if_not_~cond#1|) (not (= |ULTIMATE.start_assume_abort_if_not_~cond#1| 0)))) .cse32 .cse33 .cse34)))) [2022-11-19 07:57:56,611 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 56) no Hoare annotation was computed. [2022-11-19 07:57:56,611 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-19 07:57:56,611 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-19 07:57:56,611 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-19 07:57:56,611 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-19 07:57:56,612 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-19 07:57:56,612 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-19 07:57:56,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-19 07:57:56,613 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-19 07:57:56,614 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-19 07:57:56,614 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-11-19 07:57:56,614 INFO L899 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2022-11-19 07:57:56,614 INFO L899 garLoopResultBuilder]: For program point L54-3(line 54) no Hoare annotation was computed. [2022-11-19 07:57:56,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-19 07:57:56,614 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-19 07:57:56,615 INFO L895 garLoopResultBuilder]: At program point L63(lines 13 64) the Hoare annotation is: (or (<= ~CELLCOUNT~0 2147483647) (not (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3)))) [2022-11-19 07:57:56,615 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-11-19 07:57:56,615 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 29 56) no Hoare annotation was computed. [2022-11-19 07:57:56,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-19 07:57:56,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-19 07:57:56,615 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 29 56) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-19 07:57:56,616 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-19 07:57:56,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-19 07:57:56,617 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 62) no Hoare annotation was computed. [2022-11-19 07:57:56,617 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-19 07:57:56,617 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 62) no Hoare annotation was computed. [2022-11-19 07:57:56,617 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-19 07:57:56,617 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-19 07:57:56,617 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-19 07:57:56,618 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-19 07:57:56,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 07:57:56,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-19 07:57:56,618 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-19 07:57:56,618 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-19 07:57:56,618 INFO L899 garLoopResultBuilder]: For program point L58-3(line 58) no Hoare annotation was computed. [2022-11-19 07:57:56,618 INFO L899 garLoopResultBuilder]: For program point L58-4(line 58) no Hoare annotation was computed. [2022-11-19 07:57:56,619 INFO L895 garLoopResultBuilder]: At program point L58-5(lines 58 61) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 3) 3)) (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (= (* (mod ~CELLCOUNT~0 1073741824) 4) (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1) (= (select .cse0 5) 0) (= 114 (select .cse0 1)) (<= 2 ~CELLCOUNT~0) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0) (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= 51 (select .cse0 2)) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (= (select .cse0 4) 99) (= 112 (select .cse0 0)) (= (select |#valid| 0) 0) (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3)) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= (select .cse1 0) 48) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (= (select .cse1 1) 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= 46 (select .cse0 3)) (= 6 (select |#length| 2)) (< 0 |#StackHeapBarrier|) (= |#NULL.base| 0))) [2022-11-19 07:57:56,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-19 07:57:56,619 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-19 07:57:56,619 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-19 07:57:56,620 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-11-19 07:57:56,620 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-11-19 07:57:56,620 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-11-19 07:57:56,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-19 07:57:56,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-19 07:57:56,620 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-19 07:57:56,621 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-19 07:57:56,624 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:57:56,626 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:57:56,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:57:56 BoogieIcfgContainer [2022-11-19 07:57:56,650 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:57:56,650 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:57:56,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:57:56,651 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:57:56,651 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:46" (3/4) ... [2022-11-19 07:57:56,654 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:57:56,664 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-19 07:57:56,665 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-19 07:57:56,665 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-19 07:57:56,665 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:57:56,665 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:57:56,696 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 1 <= MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && ((CCCELVOL1 == unknown-#memory_int-unknown[volArray][volArray + -16 + i * 12] && 2 <= i) || ((i == 1 && \old(cond) == cond) && !(cond == 0)))) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) [2022-11-19 07:57:56,697 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= i) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 [2022-11-19 07:57:56,714 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:57:56,714 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:57:56,715 INFO L158 Benchmark]: Toolchain (without parser) took 70752.37ms. Allocated memory was 111.1MB in the beginning and 339.7MB in the end (delta: 228.6MB). Free memory was 70.2MB in the beginning and 209.2MB in the end (delta: -139.0MB). Peak memory consumption was 89.1MB. Max. memory is 16.1GB. [2022-11-19 07:57:56,715 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:57:56,715 INFO L158 Benchmark]: CACSL2BoogieTranslator took 287.65ms. Allocated memory is still 111.1MB. Free memory was 69.9MB in the beginning and 85.4MB in the end (delta: -15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:57:56,716 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.18ms. Allocated memory is still 111.1MB. Free memory was 85.1MB in the beginning and 83.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:57:56,716 INFO L158 Benchmark]: Boogie Preprocessor took 27.89ms. Allocated memory is still 111.1MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:57:56,716 INFO L158 Benchmark]: RCFGBuilder took 487.20ms. Allocated memory is still 111.1MB. Free memory was 81.9MB in the beginning and 63.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-19 07:57:56,717 INFO L158 Benchmark]: TraceAbstraction took 69839.85ms. Allocated memory was 111.1MB in the beginning and 339.7MB in the end (delta: 228.6MB). Free memory was 62.3MB in the beginning and 213.3MB in the end (delta: -151.0MB). Peak memory consumption was 183.8MB. Max. memory is 16.1GB. [2022-11-19 07:57:56,717 INFO L158 Benchmark]: Witness Printer took 63.71ms. Allocated memory is still 339.7MB. Free memory was 213.3MB in the beginning and 209.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:57:56,718 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 111.1MB. Free memory is still 87.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 287.65ms. Allocated memory is still 111.1MB. Free memory was 69.9MB in the beginning and 85.4MB in the end (delta: -15.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.18ms. Allocated memory is still 111.1MB. Free memory was 85.1MB in the beginning and 83.3MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.89ms. Allocated memory is still 111.1MB. Free memory was 83.3MB in the beginning and 81.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 487.20ms. Allocated memory is still 111.1MB. Free memory was 81.9MB in the beginning and 63.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 69839.85ms. Allocated memory was 111.1MB in the beginning and 339.7MB in the end (delta: 228.6MB). Free memory was 62.3MB in the beginning and 213.3MB in the end (delta: -151.0MB). Peak memory consumption was 183.8MB. Max. memory is 16.1GB. * Witness Printer took 63.71ms. Allocated memory is still 339.7MB. Free memory was 213.3MB in the beginning and 209.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * 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: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 50]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: 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 1 procedures, 73 locations, 30 error locations. Started 1 CEGAR loops. OverallTime: 69.7s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 33.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1844 SdHoareTripleChecker+Valid, 5.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1844 mSDsluCounter, 616 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 309 mSDsCounter, 340 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2600 IncrementalHoareTripleChecker+Invalid, 2940 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 340 mSolverCounterUnsat, 307 mSDtfsCounter, 2600 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 644 GetRequests, 365 SyntacticMatches, 66 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3015 ImplicationChecksByTransitivity, 43.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=6, InterpolantAutomatonStates: 109, 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, 11 MinimizatonAttempts, 61 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 24 NumberOfFragments, 533 HoareAnnotationTreeSize, 3 FomulaSimplifications, 724 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2861 FormulaSimplificationTreeSizeReductionInter, 1.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 450 NumberOfCodeBlocks, 450 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 599 ConstructedInterpolants, 0 QuantifiedInterpolants, 1116 SizeOfPredicates, 12 NumberOfNonLiveVariables, 846 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 42/93 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: 10.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 134, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 465, TOOLS_POST_TIME: 9.6s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 465, TOOLS_QUANTIFIERELIM_TIME: 9.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 640, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 38, DOMAIN_JOIN_TIME: 0.4s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 12, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 20, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 134, DOMAIN_ISBOTTOM_TIME: 0.2s, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME: 7.2s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 7.2s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 20, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, 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: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 4499, DAG_COMPRESSION_RETAINED_NODES: 453, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 30 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: CELLCOUNT <= 2147483647 || !(CELLCOUNT == CELLCOUNT / 3 * 3) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= i) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && 1 <= MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && 2 <= i) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && CELLCOUNT % 1073741824 * 4 == unknown-#length-unknown[volArray]) && \valid[volArray] == 1) && unknown-#memory_int-unknown[2][5] == 0) && i <= 2147483647) && 114 == unknown-#memory_int-unknown[2][1]) && 2 <= CELLCOUNT) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && 0 <= cond) && 51 == unknown-#memory_int-unknown[2][2]) && \valid[1] == 1) && CCCELVOL2 == 3) && unknown-#memory_int-unknown[2][4] == 99) && 112 == unknown-#memory_int-unknown[2][0]) && \valid[0] == 0) && !(volArray == 3)) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 46 == unknown-#memory_int-unknown[2][3]) && ((CCCELVOL1 == unknown-#memory_int-unknown[volArray][volArray + -16 + i * 12] && 2 <= i) || ((i == 1 && \old(cond) == cond) && !(cond == 0)))) && 6 == unknown-#length-unknown[2]) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-19 07:57:56,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_934f2f75-43d7-462a-8153-5b950b98d8cb/bin/utaipan-I9t0OCRTmS/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