./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 e04fb08f 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_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/pr3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 20:12:50,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:12:50,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:12:50,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:12:50,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:12:50,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:12:50,398 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:12:50,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:12:50,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:12:50,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:12:50,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:12:50,406 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:12:50,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:12:50,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:12:50,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:12:50,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:12:50,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:12:50,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:12:50,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:12:50,419 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:12:50,421 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:12:50,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:12:50,424 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:12:50,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:12:50,430 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:12:50,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:12:50,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:12:50,433 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:12:50,433 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:12:50,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:12:50,435 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:12:50,436 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:12:50,437 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:12:50,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:12:50,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:12:50,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:12:50,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:12:50,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:12:50,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:12:50,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:12:50,445 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:12:50,446 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 20:12:50,473 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:12:50,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:12:50,474 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:12:50,474 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:12:50,475 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:12:50,475 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:12:50,476 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:12:50,476 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:12:50,477 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:12:50,477 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:12:50,477 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:12:50,477 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:12:50,478 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:12:50,478 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:12:50,478 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:12:50,479 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:12:50,479 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:12:50,479 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:12:50,480 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:12:50,480 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:12:50,481 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 20:12:50,481 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:12:50,481 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:12:50,482 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:12:50,482 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:12:50,482 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:12:50,482 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:12:50,483 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 20:12:50,483 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:12:50,483 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:12:50,483 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:12:50,484 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:12:50,484 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:12:50,484 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:12:50,484 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:12:50,485 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:12:50,485 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:12:50,485 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:12:50,486 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:12:50,486 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:12:50,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:12:50,486 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:12:50,487 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:12:50,487 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_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 73efddcda095c52d9900d13088d1ec70520de6007541f46343a568e878cf2ed4 [2022-11-16 20:12:50,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:12:50,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:12:50,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:12:50,869 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:12:50,870 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:12:50,872 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/array-tiling/pr3.c [2022-11-16 20:12:50,963 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/data/0dc0e632a/45f7f1d565a4448c84b884e0b4eb7425/FLAG2c7383993 [2022-11-16 20:12:51,636 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:12:51,637 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/sv-benchmarks/c/array-tiling/pr3.c [2022-11-16 20:12:51,645 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/data/0dc0e632a/45f7f1d565a4448c84b884e0b4eb7425/FLAG2c7383993 [2022-11-16 20:12:51,987 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/data/0dc0e632a/45f7f1d565a4448c84b884e0b4eb7425 [2022-11-16 20:12:51,990 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:12:51,993 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:12:51,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:12:51,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:12:52,004 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:12:52,005 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:12:51" (1/1) ... [2022-11-16 20:12:52,006 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a53758c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52, skipping insertion in model container [2022-11-16 20:12:52,008 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:12:51" (1/1) ... [2022-11-16 20:12:52,017 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:12:52,038 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:12:52,269 WARN L229 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_0cd06f2c-0527-4e91-aa81-03554b4302ab/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-16 20:12:52,305 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:12:52,317 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:12:52,342 WARN L229 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_0cd06f2c-0527-4e91-aa81-03554b4302ab/sv-benchmarks/c/array-tiling/pr3.c[394,407] [2022-11-16 20:12:52,375 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:12:52,397 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:12:52,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52 WrapperNode [2022-11-16 20:12:52,399 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:12:52,401 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:12:52,401 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:12:52,401 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:12:52,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,431 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,468 INFO L138 Inliner]: procedures = 15, calls = 26, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2022-11-16 20:12:52,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:12:52,471 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:12:52,471 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:12:52,472 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:12:52,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,514 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,516 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:12:52,524 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:12:52,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:12:52,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:12:52,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (1/1) ... [2022-11-16 20:12:52,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:12:52,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:12:52,564 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:12:52,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:12:52,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:12:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:12:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:12:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:12:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:12:52,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:12:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:12:52,612 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:12:52,699 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:12:52,702 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:12:53,095 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:12:53,155 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:12:53,155 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 20:12:53,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:12:53 BoogieIcfgContainer [2022-11-16 20:12:53,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:12:53,161 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:12:53,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:12:53,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:12:53,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:12:51" (1/3) ... [2022-11-16 20:12:53,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b16c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:12:53, skipping insertion in model container [2022-11-16 20:12:53,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:12:52" (2/3) ... [2022-11-16 20:12:53,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b16c76 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:12:53, skipping insertion in model container [2022-11-16 20:12:53,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:12:53" (3/3) ... [2022-11-16 20:12:53,177 INFO L112 eAbstractionObserver]: Analyzing ICFG pr3.c [2022-11-16 20:12:53,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:12:53,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 30 error locations. [2022-11-16 20:12:53,294 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:12:53,302 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;@70ec262b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:12:53,302 INFO L358 AbstractCegarLoop]: Starting to check reachability of 30 error locations. [2022-11-16 20:12:53,308 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) [2022-11-16 20:12:53,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 20:12:53,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:12:53,317 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 20:12:53,318 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)] === [2022-11-16 20:12:53,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:12:53,325 INFO L85 PathProgramCache]: Analyzing trace with hash 5342220, now seen corresponding path program 1 times [2022-11-16 20:12:53,338 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:12:53,339 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384484892] [2022-11-16 20:12:53,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:12:53,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:12:53,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:12:54,050 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:54,051 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:12:54,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384484892] [2022-11-16 20:12:54,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384484892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:12:54,053 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:12:54,053 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:12:54,055 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316201095] [2022-11-16 20:12:54,056 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:12:54,062 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:12:54,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:12:54,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:12:54,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:12:54,109 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) [2022-11-16 20:12:54,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:12:54,220 INFO L93 Difference]: Finished difference Result 87 states and 92 transitions. [2022-11-16 20:12:54,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:12:54,228 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 [2022-11-16 20:12:54,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:12:54,236 INFO L225 Difference]: With dead ends: 87 [2022-11-16 20:12:54,237 INFO L226 Difference]: Without dead ends: 68 [2022-11-16 20:12:54,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:12:54,243 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 223 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2022-11-16 20:12:54,244 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] [2022-11-16 20:12:54,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-16 20:12:54,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-16 20:12:54,281 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) [2022-11-16 20:12:54,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 72 transitions. [2022-11-16 20:12:54,284 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 72 transitions. Word has length 4 [2022-11-16 20:12:54,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:12:54,284 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 72 transitions. [2022-11-16 20:12:54,285 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) [2022-11-16 20:12:54,285 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 72 transitions. [2022-11-16 20:12:54,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 20:12:54,285 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:12:54,286 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:12:54,286 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:12:54,286 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)] === [2022-11-16 20:12:54,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:12:54,287 INFO L85 PathProgramCache]: Analyzing trace with hash -1263399085, now seen corresponding path program 1 times [2022-11-16 20:12:54,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:12:54,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726201864] [2022-11-16 20:12:54,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:12:54,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:12:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:12:54,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:54,393 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:12:54,393 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726201864] [2022-11-16 20:12:54,394 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726201864] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:12:54,394 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:12:54,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 20:12:54,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83498397] [2022-11-16 20:12:54,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:12:54,396 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:12:54,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:12:54,397 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:12:54,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:12:54,397 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) [2022-11-16 20:12:54,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:12:54,559 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2022-11-16 20:12:54,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:12:54,560 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 [2022-11-16 20:12:54,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:12:54,561 INFO L225 Difference]: With dead ends: 128 [2022-11-16 20:12:54,562 INFO L226 Difference]: Without dead ends: 104 [2022-11-16 20:12:54,562 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 [2022-11-16 20:12:54,564 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 [2022-11-16 20:12:54,564 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] [2022-11-16 20:12:54,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-16 20:12:54,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 98. [2022-11-16 20:12:54,575 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) [2022-11-16 20:12:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 106 transitions. [2022-11-16 20:12:54,577 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 106 transitions. Word has length 8 [2022-11-16 20:12:54,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:12:54,577 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 106 transitions. [2022-11-16 20:12:54,577 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) [2022-11-16 20:12:54,578 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 106 transitions. [2022-11-16 20:12:54,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-16 20:12:54,580 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:12:54,580 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:12:54,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:12:54,581 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)] === [2022-11-16 20:12:54,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:12:54,581 INFO L85 PathProgramCache]: Analyzing trace with hash -510652293, now seen corresponding path program 1 times [2022-11-16 20:12:54,582 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:12:54,582 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1354202861] [2022-11-16 20:12:54,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:12:54,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:12:54,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:12:54,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:54,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:12:54,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1354202861] [2022-11-16 20:12:54,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1354202861] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:12:54,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:12:54,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:12:54,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946146810] [2022-11-16 20:12:54,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:12:54,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:12:54,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:12:54,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:12:54,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:12:54,686 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) [2022-11-16 20:12:54,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:12:54,794 INFO L93 Difference]: Finished difference Result 103 states and 111 transitions. [2022-11-16 20:12:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:12:54,795 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 [2022-11-16 20:12:54,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:12:54,797 INFO L225 Difference]: With dead ends: 103 [2022-11-16 20:12:54,797 INFO L226 Difference]: Without dead ends: 101 [2022-11-16 20:12:54,798 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 [2022-11-16 20:12:54,799 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 [2022-11-16 20:12:54,800 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] [2022-11-16 20:12:54,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-16 20:12:54,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2022-11-16 20:12:54,815 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) [2022-11-16 20:12:54,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 109 transitions. [2022-11-16 20:12:54,817 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 109 transitions. Word has length 9 [2022-11-16 20:12:54,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:12:54,818 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 109 transitions. [2022-11-16 20:12:54,818 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) [2022-11-16 20:12:54,818 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 109 transitions. [2022-11-16 20:12:54,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-16 20:12:54,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:12:54,819 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:12:54,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:12:54,819 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)] === [2022-11-16 20:12:54,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:12:54,820 INFO L85 PathProgramCache]: Analyzing trace with hash -68134675, now seen corresponding path program 1 times [2022-11-16 20:12:54,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:12:54,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912699419] [2022-11-16 20:12:54,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:12:54,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:12:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:12:55,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:55,002 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:12:55,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912699419] [2022-11-16 20:12:55,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912699419] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:12:55,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1647914388] [2022-11-16 20:12:55,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:12:55,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:12:55,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:12:55,035 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:12:55,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 20:12:55,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:12:55,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:12:55,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:12:55,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:55,274 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:12:55,329 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:55,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1647914388] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:12:55,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [935800629] [2022-11-16 20:12:55,352 INFO L159 IcfgInterpreter]: Started Sifa with 11 locations of interest [2022-11-16 20:12:55,353 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:12:55,357 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:12:55,365 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:12:55,366 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:12:55,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:55,520 INFO L321 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2022-11-16 20:12:55,521 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 24 treesize of output 40 [2022-11-16 20:12:55,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:55,591 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:12:55,592 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 [2022-11-16 20:12:55,682 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:12:56,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [935800629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:12:56,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:12:56,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-16 20:12:56,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632628268] [2022-11-16 20:12:56,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:12:56,423 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:12:56,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:12:56,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:12:56,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-16 20:12:56,435 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) [2022-11-16 20:12:56,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:12:56,892 INFO L93 Difference]: Finished difference Result 115 states and 123 transitions. [2022-11-16 20:12:56,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:12:56,892 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 [2022-11-16 20:12:56,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:12:56,893 INFO L225 Difference]: With dead ends: 115 [2022-11-16 20:12:56,894 INFO L226 Difference]: Without dead ends: 106 [2022-11-16 20:12:56,894 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 [2022-11-16 20:12:56,895 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, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 20:12:56,895 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 39 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 20:12:56,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2022-11-16 20:12:56,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 101. [2022-11-16 20:12:56,908 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) [2022-11-16 20:12:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 108 transitions. [2022-11-16 20:12:56,910 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 108 transitions. Word has length 12 [2022-11-16 20:12:56,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:12:56,910 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 108 transitions. [2022-11-16 20:12:56,910 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) [2022-11-16 20:12:56,910 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 108 transitions. [2022-11-16 20:12:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-16 20:12:56,911 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:12:56,911 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] [2022-11-16 20:12:56,923 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 20:12:57,118 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:12:57,118 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)] === [2022-11-16 20:12:57,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:12:57,119 INFO L85 PathProgramCache]: Analyzing trace with hash 1689851049, now seen corresponding path program 1 times [2022-11-16 20:12:57,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:12:57,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1030315648] [2022-11-16 20:12:57,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:12:57,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:12:57,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:12:57,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:57,267 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:12:57,267 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1030315648] [2022-11-16 20:12:57,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1030315648] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:12:57,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:12:57,268 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:12:57,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1889108284] [2022-11-16 20:12:57,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:12:57,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:12:57,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:12:57,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:12:57,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:12:57,276 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) [2022-11-16 20:12:57,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:12:57,467 INFO L93 Difference]: Finished difference Result 106 states and 113 transitions. [2022-11-16 20:12:57,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:12:57,468 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 [2022-11-16 20:12:57,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:12:57,473 INFO L225 Difference]: With dead ends: 106 [2022-11-16 20:12:57,474 INFO L226 Difference]: Without dead ends: 104 [2022-11-16 20:12:57,474 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 [2022-11-16 20:12:57,477 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, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:12:57,477 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 94 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 20:12:57,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2022-11-16 20:12:57,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2022-11-16 20:12:57,508 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) [2022-11-16 20:12:57,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 111 transitions. [2022-11-16 20:12:57,516 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 111 transitions. Word has length 23 [2022-11-16 20:12:57,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:12:57,516 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 111 transitions. [2022-11-16 20:12:57,517 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) [2022-11-16 20:12:57,517 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 111 transitions. [2022-11-16 20:12:57,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-11-16 20:12:57,518 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:12:57,518 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] [2022-11-16 20:12:57,519 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 20:12:57,519 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)] === [2022-11-16 20:12:57,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:12:57,520 INFO L85 PathProgramCache]: Analyzing trace with hash -10261982, now seen corresponding path program 1 times [2022-11-16 20:12:57,520 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:12:57,521 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736193830] [2022-11-16 20:12:57,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:12:57,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:12:57,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:12:57,708 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:57,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:12:57,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736193830] [2022-11-16 20:12:57,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736193830] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:12:57,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168717628] [2022-11-16 20:12:57,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:12:57,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:12:57,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:12:57,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:12:57,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 20:12:57,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:12:57,805 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 20:12:57,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:12:57,890 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:57,890 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:12:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:12:57,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168717628] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:12:57,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [613289011] [2022-11-16 20:12:58,003 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-16 20:12:58,004 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:12:58,005 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:12:58,005 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:12:58,005 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:12:58,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:58,129 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:12:58,130 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 [2022-11-16 20:12:58,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:58,160 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 24 treesize of output 32 [2022-11-16 20:12:58,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:58,321 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 [2022-11-16 20:12:58,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:58,458 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 [2022-11-16 20:12:58,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:58,582 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 [2022-11-16 20:12:58,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:58,788 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 [2022-11-16 20:12:58,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:58,925 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 [2022-11-16 20:12:59,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,052 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 [2022-11-16 20:12:59,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:12:59,988 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:12:59,988 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 552 treesize of output 531 [2022-11-16 20:13:00,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,487 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:13:00,488 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 558 treesize of output 540 [2022-11-16 20:13:00,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:00,918 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:13:00,919 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 564 treesize of output 549 [2022-11-16 20:13:01,087 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 [2022-11-16 20:13:01,134 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 [2022-11-16 20:13:01,198 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 [2022-11-16 20:13:01,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:01,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:01,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:01,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:01,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:01,581 INFO L321 Elim1Store]: treesize reduction 40, result has 49.4 percent of original size [2022-11-16 20:13:01,582 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 20 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 2 case distinctions, treesize of input 351 treesize of output 395 [2022-11-16 20:13:01,898 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 [2022-11-16 20:13:01,949 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:13:05,270 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1407#(and (not (<= (* 3 |ULTIMATE.start_main_~i~0#1|) 2147483647)) (= |ULTIMATE.start_main_~CCCELVOL3~0#1| 7) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) (<= |ULTIMATE.start_main_~MINVAL~0#1| 7) (<= ~CELLCOUNT~0 2147483647) (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1) (<= 1 ~CELLCOUNT~0) (= |ULTIMATE.start_main_~#volArray~0#1.offset| 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) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (<= 0 |#StackHeapBarrier|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (= |#NULL.base| 0))' at error location [2022-11-16 20:13:05,270 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 20:13:05,271 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:13:05,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 9 [2022-11-16 20:13:05,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [865932912] [2022-11-16 20:13:05,271 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 20:13:05,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-16 20:13:05,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:13:05,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-16 20:13:05,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=428, Unknown=0, NotChecked=0, Total=506 [2022-11-16 20:13:05,273 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) [2022-11-16 20:13:05,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:13:05,634 INFO L93 Difference]: Finished difference Result 149 states and 186 transitions. [2022-11-16 20:13:05,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 20:13:05,635 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 [2022-11-16 20:13:05,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:13:05,636 INFO L225 Difference]: With dead ends: 149 [2022-11-16 20:13:05,636 INFO L226 Difference]: Without dead ends: 136 [2022-11-16 20:13:05,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 56 SyntacticMatches, 12 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=111, Invalid=591, Unknown=0, NotChecked=0, Total=702 [2022-11-16 20:13:05,638 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 [2022-11-16 20:13:05,638 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] [2022-11-16 20:13:05,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2022-11-16 20:13:05,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 133. [2022-11-16 20:13:05,666 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) [2022-11-16 20:13:05,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 159 transitions. [2022-11-16 20:13:05,667 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 159 transitions. Word has length 29 [2022-11-16 20:13:05,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:13:05,668 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 159 transitions. [2022-11-16 20:13:05,668 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) [2022-11-16 20:13:05,668 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 159 transitions. [2022-11-16 20:13:05,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 20:13:05,670 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:13:05,670 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] [2022-11-16 20:13:05,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 20:13:05,876 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:13:05,876 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)] === [2022-11-16 20:13:05,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:13:05,877 INFO L85 PathProgramCache]: Analyzing trace with hash -318121376, now seen corresponding path program 1 times [2022-11-16 20:13:05,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:13:05,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170756809] [2022-11-16 20:13:05,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:05,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:13:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:05,994 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:13:05,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:13:05,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170756809] [2022-11-16 20:13:05,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170756809] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:13:05,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [176233630] [2022-11-16 20:13:05,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:05,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:13:05,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:13:05,997 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:13:06,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 20:13:06,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:06,077 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 20:13:06,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:13:06,139 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 20:13:06,139 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:13:06,140 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [176233630] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:13:06,140 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 20:13:06,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-16 20:13:06,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839397332] [2022-11-16 20:13:06,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:13:06,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:13:06,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:13:06,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:13:06,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-11-16 20:13:06,142 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) [2022-11-16 20:13:06,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:13:06,302 INFO L93 Difference]: Finished difference Result 133 states and 159 transitions. [2022-11-16 20:13:06,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 20:13:06,303 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 [2022-11-16 20:13:06,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:13:06,304 INFO L225 Difference]: With dead ends: 133 [2022-11-16 20:13:06,304 INFO L226 Difference]: Without dead ends: 120 [2022-11-16 20:13:06,304 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 [2022-11-16 20:13:06,305 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 [2022-11-16 20:13:06,305 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] [2022-11-16 20:13:06,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-16 20:13:06,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2022-11-16 20:13:06,316 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) [2022-11-16 20:13:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 133 transitions. [2022-11-16 20:13:06,317 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 133 transitions. Word has length 30 [2022-11-16 20:13:06,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:13:06,317 INFO L495 AbstractCegarLoop]: Abstraction has 120 states and 133 transitions. [2022-11-16 20:13:06,317 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) [2022-11-16 20:13:06,317 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 133 transitions. [2022-11-16 20:13:06,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 20:13:06,318 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:13:06,319 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] [2022-11-16 20:13:06,329 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-16 20:13:06,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-16 20:13:06,524 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)] === [2022-11-16 20:13:06,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:13:06,525 INFO L85 PathProgramCache]: Analyzing trace with hash -2050378692, now seen corresponding path program 1 times [2022-11-16 20:13:06,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:13:06,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1644082725] [2022-11-16 20:13:06,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:06,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:13:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:06,614 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:06,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:13:06,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1644082725] [2022-11-16 20:13:06,615 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1644082725] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:13:06,615 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785139171] [2022-11-16 20:13:06,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:06,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:13:06,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:13:06,617 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:13:06,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 20:13:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:06,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:13:06,694 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:13:06,720 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:06,720 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:13:06,754 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:06,755 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785139171] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:13:06,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [595261732] [2022-11-16 20:13:06,757 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-16 20:13:06,757 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:13:06,758 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:13:06,758 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:13:06,758 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:13:06,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:06,812 INFO L321 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2022-11-16 20:13:06,813 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 24 treesize of output 40 [2022-11-16 20:13:06,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:06,869 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:13:06,869 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 [2022-11-16 20:13:07,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,132 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 [2022-11-16 20:13:07,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,217 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 [2022-11-16 20:13:07,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,304 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 [2022-11-16 20:13:07,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,494 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 [2022-11-16 20:13:07,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,609 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 [2022-11-16 20:13:07,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:07,703 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 [2022-11-16 20:13:08,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:08,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,329 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:08,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,350 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-16 20:13:08,351 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 562 treesize of output 541 [2022-11-16 20:13:08,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,707 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:08,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,736 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:08,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:08,768 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-16 20:13:08,769 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 568 treesize of output 550 [2022-11-16 20:13:09,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,125 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:09,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,153 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:09,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:09,200 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-16 20:13:09,201 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 574 treesize of output 559 [2022-11-16 20:13:09,390 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 [2022-11-16 20:13:09,461 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 [2022-11-16 20:13:09,533 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 [2022-11-16 20:13:10,167 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 [2022-11-16 20:13:10,274 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 [2022-11-16 20:13:10,320 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:13:13,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [595261732] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:13:13,374 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:13:13,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [5, 5, 5] total 26 [2022-11-16 20:13:13,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696150796] [2022-11-16 20:13:13,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:13:13,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-11-16 20:13:13,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:13:13,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-11-16 20:13:13,378 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=584, Unknown=0, NotChecked=0, Total=702 [2022-11-16 20:13:13,379 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) [2022-11-16 20:13:19,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:13:19,187 INFO L93 Difference]: Finished difference Result 326 states and 370 transitions. [2022-11-16 20:13:19,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2022-11-16 20:13:19,188 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 [2022-11-16 20:13:19,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:13:19,189 INFO L225 Difference]: With dead ends: 326 [2022-11-16 20:13:19,189 INFO L226 Difference]: Without dead ends: 145 [2022-11-16 20:13:19,190 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 65 SyntacticMatches, 12 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 655 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=325, Invalid=1315, Unknown=0, NotChecked=0, Total=1640 [2022-11-16 20:13:19,191 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 445 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 540 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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 [2022-11-16 20:13:19,191 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] [2022-11-16 20:13:19,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2022-11-16 20:13:19,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 121. [2022-11-16 20:13:19,207 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) [2022-11-16 20:13:19,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 134 transitions. [2022-11-16 20:13:19,208 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 134 transitions. Word has length 33 [2022-11-16 20:13:19,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:13:19,209 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 134 transitions. [2022-11-16 20:13:19,209 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) [2022-11-16 20:13:19,209 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 134 transitions. [2022-11-16 20:13:19,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 20:13:19,216 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:13:19,216 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] [2022-11-16 20:13:19,226 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 20:13:19,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:13:19,423 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)] === [2022-11-16 20:13:19,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:13:19,424 INFO L85 PathProgramCache]: Analyzing trace with hash 65653894, now seen corresponding path program 1 times [2022-11-16 20:13:19,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:13:19,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178916281] [2022-11-16 20:13:19,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:19,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:13:19,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:19,529 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:19,530 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:13:19,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178916281] [2022-11-16 20:13:19,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178916281] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:13:19,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771484] [2022-11-16 20:13:19,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:19,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:13:19,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:13:19,532 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:13:19,551 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 20:13:19,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:19,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:13:19,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:13:19,651 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:19,651 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:13:19,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:19,686 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771484] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:13:19,686 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [155044232] [2022-11-16 20:13:19,688 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-16 20:13:19,689 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:13:19,689 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:13:19,689 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:13:19,690 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:13:19,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:19,751 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:13:19,751 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 [2022-11-16 20:13:19,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:19,765 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 24 treesize of output 32 [2022-11-16 20:13:19,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:19,854 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 [2022-11-16 20:13:19,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:19,945 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 [2022-11-16 20:13:20,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,030 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 [2022-11-16 20:13:20,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,169 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 [2022-11-16 20:13:20,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,251 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 [2022-11-16 20:13:20,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,327 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 [2022-11-16 20:13:20,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:20,903 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:13:20,904 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 552 treesize of output 531 [2022-11-16 20:13:21,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,287 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:13:21,287 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 558 treesize of output 540 [2022-11-16 20:13:21,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:21,704 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:13:21,705 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 564 treesize of output 549 [2022-11-16 20:13:21,849 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 [2022-11-16 20:13:21,886 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 [2022-11-16 20:13:21,929 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 [2022-11-16 20:13:22,430 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 [2022-11-16 20:13:22,496 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 [2022-11-16 20:13:22,542 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:13:26,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [155044232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:13:26,151 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:13:26,151 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [5, 5, 5] total 27 [2022-11-16 20:13:26,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57534061] [2022-11-16 20:13:26,152 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:13:26,152 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 20:13:26,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:13:26,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 20:13:26,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=633, Unknown=0, NotChecked=0, Total=756 [2022-11-16 20:13:26,154 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) [2022-11-16 20:13:35,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:13:35,656 INFO L93 Difference]: Finished difference Result 292 states and 330 transitions. [2022-11-16 20:13:35,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-16 20:13:35,657 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 [2022-11-16 20:13:35,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:13:35,657 INFO L225 Difference]: With dead ends: 292 [2022-11-16 20:13:35,658 INFO L226 Difference]: Without dead ends: 141 [2022-11-16 20:13:35,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 63 SyntacticMatches, 13 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 656 ImplicationChecksByTransitivity, 12.1s TimeCoverageRelationStatistics Valid=375, Invalid=1431, Unknown=0, NotChecked=0, Total=1806 [2022-11-16 20:13:35,660 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 290 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 463 mSolverCounterSat, 51 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s 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, 1.0s IncrementalHoareTripleChecker+Time [2022-11-16 20:13:35,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 23 Invalid, 514 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [51 Valid, 463 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-16 20:13:35,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2022-11-16 20:13:35,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 126. [2022-11-16 20:13:35,669 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) [2022-11-16 20:13:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 139 transitions. [2022-11-16 20:13:35,670 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 139 transitions. Word has length 33 [2022-11-16 20:13:35,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:13:35,670 INFO L495 AbstractCegarLoop]: Abstraction has 126 states and 139 transitions. [2022-11-16 20:13:35,671 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) [2022-11-16 20:13:35,671 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 139 transitions. [2022-11-16 20:13:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 20:13:35,672 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:13:35,672 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] [2022-11-16 20:13:35,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 20:13:35,877 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:13:35,877 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)] === [2022-11-16 20:13:35,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:13:35,878 INFO L85 PathProgramCache]: Analyzing trace with hash 1731866108, now seen corresponding path program 1 times [2022-11-16 20:13:35,878 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:13:35,878 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495680464] [2022-11-16 20:13:35,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:35,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:13:35,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:36,035 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:36,035 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:13:36,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495680464] [2022-11-16 20:13:36,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [495680464] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:13:36,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565509117] [2022-11-16 20:13:36,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:36,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:13:36,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:13:36,037 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:13:36,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 20:13:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:36,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:13:36,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:13:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:36,140 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:13:36,181 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:36,181 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [565509117] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:13:36,181 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [417196554] [2022-11-16 20:13:36,184 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-16 20:13:36,184 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:13:36,185 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:13:36,185 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:13:36,186 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:13:36,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,253 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:13:36,253 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 [2022-11-16 20:13:36,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,271 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 7 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 32 [2022-11-16 20:13:36,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,396 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 [2022-11-16 20:13:36,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,474 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 [2022-11-16 20:13:36,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,547 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 [2022-11-16 20:13:36,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,640 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 [2022-11-16 20:13:36,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,729 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 [2022-11-16 20:13:36,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,910 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:36,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,926 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:36,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:36,964 INFO L321 Elim1Store]: treesize reduction 109, result has 12.1 percent of original size [2022-11-16 20:13:36,965 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 661 treesize of output 652 [2022-11-16 20:13:37,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,391 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:37,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,409 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:37,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,428 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-16 20:13:37,429 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 556 treesize of output 544 [2022-11-16 20:13:37,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,658 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:37,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,682 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:13:37,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:37,709 INFO L321 Elim1Store]: treesize reduction 102, result has 1.0 percent of original size [2022-11-16 20:13:37,710 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 562 treesize of output 553 [2022-11-16 20:13:37,913 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 [2022-11-16 20:13:37,949 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 [2022-11-16 20:13:37,971 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 [2022-11-16 20:13:37,999 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 [2022-11-16 20:13:38,407 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 [2022-11-16 20:13:38,475 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 [2022-11-16 20:13:38,500 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:13:41,928 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [417196554] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:13:41,928 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:13:41,928 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [5, 5, 5] total 28 [2022-11-16 20:13:41,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151129092] [2022-11-16 20:13:41,928 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:13:41,929 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-16 20:13:41,929 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:13:41,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-16 20:13:41,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=683, Unknown=0, NotChecked=0, Total=812 [2022-11-16 20:13:41,930 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) [2022-11-16 20:13:51,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:13:51,594 INFO L93 Difference]: Finished difference Result 274 states and 310 transitions. [2022-11-16 20:13:51,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-11-16 20:13:51,595 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 [2022-11-16 20:13:51,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:13:51,596 INFO L225 Difference]: With dead ends: 274 [2022-11-16 20:13:51,596 INFO L226 Difference]: Without dead ends: 120 [2022-11-16 20:13:51,597 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 [2022-11-16 20:13:51,598 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 219 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 566 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s 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, 1.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:13:51,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 36 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 566 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-16 20:13:51,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-16 20:13:51,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 112. [2022-11-16 20:13:51,606 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) [2022-11-16 20:13:51,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 123 transitions. [2022-11-16 20:13:51,606 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 123 transitions. Word has length 33 [2022-11-16 20:13:51,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:13:51,607 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 123 transitions. [2022-11-16 20:13:51,607 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) [2022-11-16 20:13:51,607 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 123 transitions. [2022-11-16 20:13:51,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-16 20:13:51,608 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:13:51,608 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] [2022-11-16 20:13:51,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 20:13:51,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:13:51,819 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)] === [2022-11-16 20:13:51,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:13:51,820 INFO L85 PathProgramCache]: Analyzing trace with hash -1118556602, now seen corresponding path program 1 times [2022-11-16 20:13:51,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:13:51,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [363008401] [2022-11-16 20:13:51,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:51,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:13:51,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:51,994 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:51,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:13:51,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [363008401] [2022-11-16 20:13:51,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [363008401] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:13:51,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1164271281] [2022-11-16 20:13:51,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:13:51,996 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:13:51,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:13:52,011 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:13:52,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-16 20:13:52,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:13:52,096 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:13:52,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:13:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:52,120 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:13:52,157 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:13:52,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1164271281] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:13:52,158 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [950752681] [2022-11-16 20:13:52,164 INFO L159 IcfgInterpreter]: Started Sifa with 29 locations of interest [2022-11-16 20:13:52,164 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:13:52,165 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:13:52,165 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:13:52,165 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:13:52,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:52,223 INFO L321 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2022-11-16 20:13:52,224 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 24 treesize of output 40 [2022-11-16 20:13:52,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:52,278 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:13:52,279 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 [2022-11-16 20:13:52,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:52,372 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 [2022-11-16 20:13:52,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:52,440 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 [2022-11-16 20:13:52,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:52,514 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 [2022-11-16 20:13:52,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:52,617 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 [2022-11-16 20:13:52,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:52,682 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 [2022-11-16 20:13:52,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:52,754 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 [2022-11-16 20:13:53,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,203 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:13:53,204 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 552 treesize of output 531 [2022-11-16 20:13:53,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,477 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:13:53,477 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 558 treesize of output 540 [2022-11-16 20:13:53,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:13:53,739 INFO L321 Elim1Store]: treesize reduction 96, result has 1.0 percent of original size [2022-11-16 20:13:53,739 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 564 treesize of output 549 [2022-11-16 20:13:53,851 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 [2022-11-16 20:13:53,876 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 [2022-11-16 20:13:53,903 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 [2022-11-16 20:13:54,298 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 [2022-11-16 20:13:54,452 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 [2022-11-16 20:13:54,469 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:13:57,209 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [950752681] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:13:57,209 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:13:57,209 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [5, 5, 5] total 25 [2022-11-16 20:13:57,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000680696] [2022-11-16 20:13:57,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:13:57,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-11-16 20:13:57,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:13:57,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-11-16 20:13:57,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=544, Unknown=0, NotChecked=0, Total=650 [2022-11-16 20:13:57,212 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) [2022-11-16 20:14:02,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:14:02,585 INFO L93 Difference]: Finished difference Result 209 states and 240 transitions. [2022-11-16 20:14:02,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 20:14:02,585 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 [2022-11-16 20:14:02,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:14:02,586 INFO L225 Difference]: With dead ends: 209 [2022-11-16 20:14:02,586 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 20:14:02,587 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 62 SyntacticMatches, 16 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 589 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=263, Invalid=1069, Unknown=0, NotChecked=0, Total=1332 [2022-11-16 20:14:02,587 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 244 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 260 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:14:02,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 1 Invalid, 306 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 260 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 20:14:02,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 20:14:02,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 20:14:02,588 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) [2022-11-16 20:14:02,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 20:14:02,589 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-11-16 20:14:02,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:14:02,589 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 20:14:02,589 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) [2022-11-16 20:14:02,589 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 20:14:02,589 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 20:14:02,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 30 remaining) [2022-11-16 20:14:02,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 30 remaining) [2022-11-16 20:14:02,592 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 30 remaining) [2022-11-16 20:14:02,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 30 remaining) [2022-11-16 20:14:02,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 30 remaining) [2022-11-16 20:14:02,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 30 remaining) [2022-11-16 20:14:02,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 30 remaining) [2022-11-16 20:14:02,593 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 30 remaining) [2022-11-16 20:14:02,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 30 remaining) [2022-11-16 20:14:02,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 30 remaining) [2022-11-16 20:14:02,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 30 remaining) [2022-11-16 20:14:02,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 30 remaining) [2022-11-16 20:14:02,594 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 30 remaining) [2022-11-16 20:14:02,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 30 remaining) [2022-11-16 20:14:02,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 30 remaining) [2022-11-16 20:14:02,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 30 remaining) [2022-11-16 20:14:02,595 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 30 remaining) [2022-11-16 20:14:02,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 30 remaining) [2022-11-16 20:14:02,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 30 remaining) [2022-11-16 20:14:02,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 30 remaining) [2022-11-16 20:14:02,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 30 remaining) [2022-11-16 20:14:02,596 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 30 remaining) [2022-11-16 20:14:02,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 30 remaining) [2022-11-16 20:14:02,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 30 remaining) [2022-11-16 20:14:02,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 30 remaining) [2022-11-16 20:14:02,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 30 remaining) [2022-11-16 20:14:02,597 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 30 remaining) [2022-11-16 20:14:02,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 30 remaining) [2022-11-16 20:14:02,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 30 remaining) [2022-11-16 20:14:02,598 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 30 remaining) [2022-11-16 20:14:02,607 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-16 20:14:02,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:14:02,805 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 20:14:05,027 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-16 20:14:05,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-16 20:14:05,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 20:14:05,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 20:14:05,028 INFO L899 garLoopResultBuilder]: For program point L36(line 36) no Hoare annotation was computed. [2022-11-16 20:14:05,028 INFO L899 garLoopResultBuilder]: For program point L36-1(line 36) no Hoare annotation was computed. [2022-11-16 20:14:05,028 INFO L899 garLoopResultBuilder]: For program point L36-2(line 36) no Hoare annotation was computed. [2022-11-16 20:14:05,028 INFO L899 garLoopResultBuilder]: For program point L36-3(line 36) no Hoare annotation was computed. [2022-11-16 20:14:05,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-16 20:14:05,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 20:14:05,029 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-16 20:14:05,029 INFO L899 garLoopResultBuilder]: For program point L28-2(lines 28 56) no Hoare annotation was computed. [2022-11-16 20:14:05,029 INFO L899 garLoopResultBuilder]: For program point L28-4(lines 28 56) no Hoare annotation was computed. [2022-11-16 20:14:05,029 INFO L899 garLoopResultBuilder]: For program point L28-5(line 28) no Hoare annotation was computed. [2022-11-16 20:14:05,029 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 20:14:05,030 INFO L899 garLoopResultBuilder]: For program point L28-6(line 28) no Hoare annotation was computed. [2022-11-16 20:14:05,031 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 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse4 (= (select .cse35 5) 0)) (.cse5 (<= |ULTIMATE.start_main_~i~0#1| 2147483647)) (.cse6 (= 114 (select .cse35 1))) (.cse7 (<= 2 ~CELLCOUNT~0)) (.cse8 (= 2 (select |#length| 1))) (.cse9 (= (select |#valid| 3) 1)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse13 (<= 0 |ULTIMATE.start_assume_abort_if_not_#in~cond#1|)) (.cse14 (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|)) (.cse15 (= 51 (select .cse35 2))) (.cse16 (= (select |#valid| 1) 1)) (.cse17 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse31 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse18 (= (select .cse35 4) 99)) (.cse19 (= 112 (select .cse35 0))) (.cse20 (= (select |#valid| 0) 0)) (.cse21 (= (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|) (* ~CELLCOUNT~0 4))) (.cse22 (not (= |ULTIMATE.start_main_~#volArray~0#1.base| 3))) (.cse23 (= (select |#valid| 2) 1)) (.cse24 (= |#NULL.offset| 0)) (.cse25 (= (select .cse36 0) 48)) (.cse26 (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1)) (.cse27 (= (select .cse36 1) 0)) (.cse28 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse29 (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1)) (.cse30 (= 46 (select .cse35 3))) (.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 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 (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)))) .cse31) (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) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 (<= 1 |ULTIMATE.start_main_~MINVAL~0#1|) .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse31 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25 .cse26 .cse27 .cse28 .cse29 .cse30 .cse32 .cse33 .cse34)))) [2022-11-16 20:14:05,031 INFO L899 garLoopResultBuilder]: For program point L28-8(lines 28 56) no Hoare annotation was computed. [2022-11-16 20:14:05,031 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-16 20:14:05,031 INFO L899 garLoopResultBuilder]: For program point L45(line 45) no Hoare annotation was computed. [2022-11-16 20:14:05,031 INFO L899 garLoopResultBuilder]: For program point L45-1(line 45) no Hoare annotation was computed. [2022-11-16 20:14:05,032 INFO L899 garLoopResultBuilder]: For program point L45-2(line 45) no Hoare annotation was computed. [2022-11-16 20:14:05,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 20:14:05,032 INFO L899 garLoopResultBuilder]: For program point L45-3(line 45) no Hoare annotation was computed. [2022-11-16 20:14:05,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-16 20:14:05,032 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 20:14:05,032 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2022-11-16 20:14:05,033 INFO L899 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2022-11-16 20:14:05,033 INFO L899 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2022-11-16 20:14:05,033 INFO L899 garLoopResultBuilder]: For program point L54-3(line 54) no Hoare annotation was computed. [2022-11-16 20:14:05,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-16 20:14:05,033 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 20:14:05,034 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)))) [2022-11-16 20:14:05,034 INFO L899 garLoopResultBuilder]: For program point L30(lines 30 37) no Hoare annotation was computed. [2022-11-16 20:14:05,034 INFO L899 garLoopResultBuilder]: For program point L30-2(lines 29 56) no Hoare annotation was computed. [2022-11-16 20:14:05,034 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:14:05,034 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-16 20:14:05,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-16 20:14:05,035 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 29 56) no Hoare annotation was computed. [2022-11-16 20:14:05,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:14:05,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-16 20:14:05,035 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-16 20:14:05,035 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-11-16 20:14:05,036 INFO L899 garLoopResultBuilder]: For program point L32-1(line 32) no Hoare annotation was computed. [2022-11-16 20:14:05,036 INFO L899 garLoopResultBuilder]: For program point L32-2(line 32) no Hoare annotation was computed. [2022-11-16 20:14:05,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-16 20:14:05,036 INFO L899 garLoopResultBuilder]: For program point L32-3(line 32) no Hoare annotation was computed. [2022-11-16 20:14:05,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-16 20:14:05,036 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:14:05,037 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 62) no Hoare annotation was computed. [2022-11-16 20:14:05,037 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-16 20:14:05,037 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 62) no Hoare annotation was computed. [2022-11-16 20:14:05,037 INFO L899 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2022-11-16 20:14:05,037 INFO L899 garLoopResultBuilder]: For program point L41-1(line 41) no Hoare annotation was computed. [2022-11-16 20:14:05,037 INFO L899 garLoopResultBuilder]: For program point L41-2(line 41) no Hoare annotation was computed. [2022-11-16 20:14:05,038 INFO L899 garLoopResultBuilder]: For program point L41-3(line 41) no Hoare annotation was computed. [2022-11-16 20:14:05,038 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 20:14:05,038 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-16 20:14:05,038 INFO L899 garLoopResultBuilder]: For program point L25(line 25) no Hoare annotation was computed. [2022-11-16 20:14:05,038 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-11-16 20:14:05,039 INFO L899 garLoopResultBuilder]: For program point L58-3(line 58) no Hoare annotation was computed. [2022-11-16 20:14:05,039 INFO L899 garLoopResultBuilder]: For program point L58-4(line 58) no Hoare annotation was computed. [2022-11-16 20:14:05,039 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) (= (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) (= (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|) (* ~CELLCOUNT~0 4)) (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))) [2022-11-16 20:14:05,040 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:14:05,040 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-16 20:14:05,040 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 41) no Hoare annotation was computed. [2022-11-16 20:14:05,040 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-11-16 20:14:05,040 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-11-16 20:14:05,040 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-11-16 20:14:05,041 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 54) no Hoare annotation was computed. [2022-11-16 20:14:05,041 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-11-16 20:14:05,041 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 45) no Hoare annotation was computed. [2022-11-16 20:14:05,041 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) no Hoare annotation was computed. [2022-11-16 20:14:05,045 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:14:05,047 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 20:14:05,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:14:05 BoogieIcfgContainer [2022-11-16 20:14:05,073 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 20:14:05,074 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 20:14:05,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 20:14:05,075 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 20:14:05,075 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:12:53" (3/4) ... [2022-11-16 20:14:05,078 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 20:14:05,089 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-16 20:14:05,090 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-16 20:14:05,090 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 20:14:05,090 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 20:14:05,091 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 20:14:05,118 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && \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) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && !(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) || (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && \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) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && !(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) [2022-11-16 20:14:05,119 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && \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) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && !(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 [2022-11-16 20:14:05,142 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 20:14:05,142 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 20:14:05,143 INFO L158 Benchmark]: Toolchain (without parser) took 73149.52ms. Allocated memory was 125.8MB in the beginning and 339.7MB in the end (delta: 213.9MB). Free memory was 93.4MB in the beginning and 218.1MB in the end (delta: -124.8MB). Peak memory consumption was 88.8MB. Max. memory is 16.1GB. [2022-11-16 20:14:05,143 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:14:05,143 INFO L158 Benchmark]: CACSL2BoogieTranslator took 402.39ms. Allocated memory is still 125.8MB. Free memory was 93.1MB in the beginning and 99.3MB in the end (delta: -6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 20:14:05,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.59ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 97.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:14:05,144 INFO L158 Benchmark]: Boogie Preprocessor took 52.84ms. Allocated memory is still 125.8MB. Free memory was 97.4MB in the beginning and 96.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:14:05,144 INFO L158 Benchmark]: RCFGBuilder took 634.28ms. Allocated memory is still 125.8MB. Free memory was 96.0MB in the beginning and 77.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 20:14:05,145 INFO L158 Benchmark]: TraceAbstraction took 71912.10ms. Allocated memory was 125.8MB in the beginning and 339.7MB in the end (delta: 213.9MB). Free memory was 76.4MB in the beginning and 221.3MB in the end (delta: -144.9MB). Peak memory consumption was 182.4MB. Max. memory is 16.1GB. [2022-11-16 20:14:05,145 INFO L158 Benchmark]: Witness Printer took 67.91ms. Allocated memory is still 339.7MB. Free memory was 221.3MB in the beginning and 218.1MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 20:14:05,147 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 81.8MB. Free memory is still 35.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 402.39ms. Allocated memory is still 125.8MB. Free memory was 93.1MB in the beginning and 99.3MB in the end (delta: -6.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.59ms. Allocated memory is still 125.8MB. Free memory was 99.3MB in the beginning and 97.4MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.84ms. Allocated memory is still 125.8MB. Free memory was 97.4MB in the beginning and 96.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 634.28ms. Allocated memory is still 125.8MB. Free memory was 96.0MB in the beginning and 77.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 71912.10ms. Allocated memory was 125.8MB in the beginning and 339.7MB in the end (delta: 213.9MB). Free memory was 76.4MB in the beginning and 221.3MB in the end (delta: -144.9MB). Peak memory consumption was 182.4MB. Max. memory is 16.1GB. * Witness Printer took 67.91ms. Allocated memory is still 339.7MB. Free memory was 221.3MB in the beginning and 218.1MB in the end (delta: 3.1MB). 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: 71.8s, OverallIterations: 11, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 32.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1844 SdHoareTripleChecker+Valid, 5.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1844 mSDsluCounter, 616 SdHoareTripleChecker+Invalid, 4.5s 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, 43.7s 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: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 61 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 24 NumberOfFragments, 527 HoareAnnotationTreeSize, 3 FomulaSimplifications, 850 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 3 FomulaSimplificationsInter, 2853 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s 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: 11.4s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 5, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 134, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 465, TOOLS_POST_TIME: 10.2s, 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: 9.9s, 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: 0.5s, 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: 0.3s, LOOP_SUMMARIZER_APPLICATIONS: 8, LOOP_SUMMARIZER_CACHE_MISSES: 8, LOOP_SUMMARIZER_OVERALL_TIME: 7.6s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 7.6s, 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: 0.0s, 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) && \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) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && !(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) && \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) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && !(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) || (((((((((((((((((((((((((((((((((((CELLCOUNT == CELLCOUNT / 3 * 3 && unknown-#length-unknown[3] == 12) && CCCELVOL3 == 7) && \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) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && !(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) RESULT: Ultimate proved your program to be correct! [2022-11-16 20:14:05,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0cd06f2c-0527-4e91-aa81-03554b4302ab/bin/utaipan-Xvt2sAort0/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