./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-tiling/mbpr2.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_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/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_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-tiling/mbpr2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/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_d853c15a-54fd-4b21-8baf-b3292a58a58e/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 a98ea70d5d9f752732070144a56514c68e9571f139726211e2f0ade721d6c5f3 --- 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 20:02:23,084 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:02:23,087 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:02:23,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:02:23,130 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:02:23,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:02:23,138 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:02:23,142 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:02:23,148 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:02:23,154 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:02:23,156 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:02:23,158 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:02:23,159 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:02:23,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:02:23,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:02:23,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:02:23,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:02:23,172 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:02:23,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:02:23,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:02:23,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:02:23,184 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:02:23,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:02:23,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:02:23,191 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:02:23,196 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:02:23,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:02:23,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:02:23,200 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:02:23,201 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:02:23,201 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:02:23,202 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:02:23,204 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:02:23,206 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:02:23,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:02:23,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:02:23,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:02:23,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:02:23,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:02:23,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:02:23,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:02:23,212 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 20:02:23,257 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:02:23,258 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:02:23,258 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:02:23,259 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:02:23,260 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:02:23,260 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:02:23,261 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:02:23,261 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:02:23,261 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:02:23,261 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:02:23,262 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:02:23,263 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:02:23,263 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:02:23,263 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:02:23,263 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:02:23,264 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:02:23,264 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:02:23,264 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:02:23,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:02:23,265 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:02:23,266 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 20:02:23,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:02:23,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:02:23,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:02:23,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:02:23,268 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:02:23,268 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:02:23,269 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 20:02:23,269 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:02:23,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:02:23,269 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:02:23,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:02:23,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:02:23,270 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:02:23,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:02:23,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:02:23,271 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:02:23,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:02:23,271 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:02:23,272 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:02:23,272 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:02:23,272 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:02:23,272 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:02:23,272 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_d853c15a-54fd-4b21-8baf-b3292a58a58e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a98ea70d5d9f752732070144a56514c68e9571f139726211e2f0ade721d6c5f3 [2022-11-16 20:02:23,583 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:02:23,608 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:02:23,611 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:02:23,612 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:02:23,613 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:02:23,615 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/array-tiling/mbpr2.c [2022-11-16 20:02:23,710 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/data/56878122d/7c6b0da90b0c4271b3a5105a59b5a512/FLAG69be7ada1 [2022-11-16 20:02:24,223 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:02:24,224 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/sv-benchmarks/c/array-tiling/mbpr2.c [2022-11-16 20:02:24,232 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/data/56878122d/7c6b0da90b0c4271b3a5105a59b5a512/FLAG69be7ada1 [2022-11-16 20:02:24,575 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/data/56878122d/7c6b0da90b0c4271b3a5105a59b5a512 [2022-11-16 20:02:24,580 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:02:24,582 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:02:24,584 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:02:24,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:02:24,589 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:02:24,590 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:24,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31e3b485 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24, skipping insertion in model container [2022-11-16 20:02:24,593 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:24,602 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:02:24,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:02:24,820 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_d853c15a-54fd-4b21-8baf-b3292a58a58e/sv-benchmarks/c/array-tiling/mbpr2.c[396,409] [2022-11-16 20:02:24,878 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:02:24,896 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:02:24,918 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_d853c15a-54fd-4b21-8baf-b3292a58a58e/sv-benchmarks/c/array-tiling/mbpr2.c[396,409] [2022-11-16 20:02:24,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:02:24,975 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:02:24,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24 WrapperNode [2022-11-16 20:02:24,975 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:02:24,977 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:02:24,977 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:02:24,977 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:02:24,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,012 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,059 INFO L138 Inliner]: procedures = 15, calls = 30, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 133 [2022-11-16 20:02:25,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:02:25,062 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:02:25,062 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:02:25,063 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:02:25,074 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,092 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,100 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,119 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,121 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,133 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:02:25,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:02:25,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:02:25,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:02:25,135 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (1/1) ... [2022-11-16 20:02:25,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:02:25,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:02:25,187 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:02:25,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:02:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:02:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:02:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:02:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:02:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:02:25,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:02:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:02:25,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:02:25,338 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:02:25,340 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:02:25,743 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:02:25,799 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:02:25,806 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-16 20:02:25,809 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:02:25 BoogieIcfgContainer [2022-11-16 20:02:25,809 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:02:25,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:02:25,826 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:02:25,831 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:02:25,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:02:24" (1/3) ... [2022-11-16 20:02:25,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e05b531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:02:25, skipping insertion in model container [2022-11-16 20:02:25,833 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:02:24" (2/3) ... [2022-11-16 20:02:25,833 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e05b531 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:02:25, skipping insertion in model container [2022-11-16 20:02:25,834 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:02:25" (3/3) ... [2022-11-16 20:02:25,835 INFO L112 eAbstractionObserver]: Analyzing ICFG mbpr2.c [2022-11-16 20:02:25,876 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:02:25,876 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 42 error locations. [2022-11-16 20:02:25,982 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:02:25,998 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;@43f5a5b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:02:25,999 INFO L358 AbstractCegarLoop]: Starting to check reachability of 42 error locations. [2022-11-16 20:02:26,004 INFO L276 IsEmpty]: Start isEmpty. Operand has 97 states, 54 states have (on average 1.9444444444444444) internal successors, (105), 96 states have internal predecessors, (105), 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 20:02:26,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 20:02:26,012 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:26,013 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 20:02:26,014 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:26,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:26,023 INFO L85 PathProgramCache]: Analyzing trace with hash 6356106, now seen corresponding path program 1 times [2022-11-16 20:02:26,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:26,036 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1341691941] [2022-11-16 20:02:26,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:26,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:26,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:26,615 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 20:02:26,615 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:26,616 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1341691941] [2022-11-16 20:02:26,616 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1341691941] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:02:26,617 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:02:26,617 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:02:26,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306375431] [2022-11-16 20:02:26,619 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:02:26,624 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:02:26,624 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:26,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:02:26,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:02:26,659 INFO L87 Difference]: Start difference. First operand has 97 states, 54 states have (on average 1.9444444444444444) internal successors, (105), 96 states have internal predecessors, (105), 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 20:02:26,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:26,814 INFO L93 Difference]: Finished difference Result 152 states and 163 transitions. [2022-11-16 20:02:26,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:02:26,817 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 20:02:26,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:26,827 INFO L225 Difference]: With dead ends: 152 [2022-11-16 20:02:26,827 INFO L226 Difference]: Without dead ends: 90 [2022-11-16 20:02:26,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2022-11-16 20:02:26,835 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 104 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:26,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 84 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:02:26,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-16 20:02:26,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2022-11-16 20:02:26,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 52 states have (on average 1.8076923076923077) internal successors, (94), 89 states have internal predecessors, (94), 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 20:02:26,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 94 transitions. [2022-11-16 20:02:26,900 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 94 transitions. Word has length 4 [2022-11-16 20:02:26,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:26,901 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 94 transitions. [2022-11-16 20:02:26,902 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 20:02:26,902 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 94 transitions. [2022-11-16 20:02:26,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-16 20:02:26,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:26,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:02:26,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:02:26,904 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:26,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:26,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1221257007, now seen corresponding path program 1 times [2022-11-16 20:02:26,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:26,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866736951] [2022-11-16 20:02:26,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:26,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:26,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:27,020 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 20:02:27,020 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:27,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866736951] [2022-11-16 20:02:27,021 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866736951] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:02:27,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:02:27,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 20:02:27,021 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595913674] [2022-11-16 20:02:27,022 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:02:27,023 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:02:27,023 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:27,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:02:27,024 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:02:27,024 INFO L87 Difference]: Start difference. First operand 90 states and 94 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 20:02:27,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:27,262 INFO L93 Difference]: Finished difference Result 172 states and 180 transitions. [2022-11-16 20:02:27,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:02:27,263 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 20:02:27,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:27,265 INFO L225 Difference]: With dead ends: 172 [2022-11-16 20:02:27,266 INFO L226 Difference]: Without dead ends: 140 [2022-11-16 20:02:27,267 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 20:02:27,270 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 46 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 33 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 147 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 33 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:27,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 72 Invalid, 147 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [33 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 20:02:27,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2022-11-16 20:02:27,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 130. [2022-11-16 20:02:27,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 92 states have (on average 1.5) internal successors, (138), 129 states have internal predecessors, (138), 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 20:02:27,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 138 transitions. [2022-11-16 20:02:27,297 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 138 transitions. Word has length 8 [2022-11-16 20:02:27,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:27,298 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 138 transitions. [2022-11-16 20:02:27,300 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 20:02:27,300 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 138 transitions. [2022-11-16 20:02:27,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-16 20:02:27,303 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:27,303 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:02:27,303 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:02:27,304 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:27,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:27,308 INFO L85 PathProgramCache]: Analyzing trace with hash -1342462444, now seen corresponding path program 1 times [2022-11-16 20:02:27,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:27,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1473769064] [2022-11-16 20:02:27,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:27,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:27,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:27,497 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 20:02:27,498 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:27,498 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1473769064] [2022-11-16 20:02:27,498 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1473769064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:02:27,499 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:02:27,499 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:02:27,500 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1819935611] [2022-11-16 20:02:27,500 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:02:27,501 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:02:27,501 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:27,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:02:27,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:02:27,505 INFO L87 Difference]: Start difference. First operand 130 states and 138 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20:02:27,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:27,667 INFO L93 Difference]: Finished difference Result 135 states and 143 transitions. [2022-11-16 20:02:27,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:02:27,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 13 [2022-11-16 20:02:27,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:27,673 INFO L225 Difference]: With dead ends: 135 [2022-11-16 20:02:27,674 INFO L226 Difference]: Without dead ends: 133 [2022-11-16 20:02:27,675 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 20:02:27,682 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 3 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:27,684 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 189 Invalid, 93 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:02:27,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2022-11-16 20:02:27,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2022-11-16 20:02:27,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 95 states have (on average 1.4842105263157894) internal successors, (141), 132 states have internal predecessors, (141), 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 20:02:27,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2022-11-16 20:02:27,704 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 13 [2022-11-16 20:02:27,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:27,704 INFO L495 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2022-11-16 20:02:27,705 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20:02:27,705 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2022-11-16 20:02:27,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-16 20:02:27,706 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:27,706 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:02:27,706 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 20:02:27,706 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:27,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:27,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1436987635, now seen corresponding path program 1 times [2022-11-16 20:02:27,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:27,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986929849] [2022-11-16 20:02:27,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:27,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:27,950 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 20:02:27,951 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:27,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986929849] [2022-11-16 20:02:27,951 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986929849] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:02:27,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1264143357] [2022-11-16 20:02:27,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:27,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:02:27,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:02:27,962 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:02:27,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 20:02:28,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:28,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:02:28,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:02:28,134 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 20:02:28,135 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:02:28,212 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 20:02:28,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1264143357] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:02:28,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [958135520] [2022-11-16 20:02:28,237 INFO L159 IcfgInterpreter]: Started Sifa with 15 locations of interest [2022-11-16 20:02:28,237 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:02:28,245 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:02:28,251 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:02:28,252 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:02:28,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:28,417 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:02:28,418 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 20:02:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:28,445 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 20:02:28,537 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:02:29,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [958135520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:02:29,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:02:29,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5, 5, 5] total 15 [2022-11-16 20:02:29,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447293879] [2022-11-16 20:02:29,273 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:02:29,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 20:02:29,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:29,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 20:02:29,274 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-11-16 20:02:29,275 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 20:02:29,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:29,655 INFO L93 Difference]: Finished difference Result 235 states and 249 transitions. [2022-11-16 20:02:29,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 20:02:29,656 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 16 [2022-11-16 20:02:29,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:29,657 INFO L225 Difference]: With dead ends: 235 [2022-11-16 20:02:29,657 INFO L226 Difference]: Without dead ends: 113 [2022-11-16 20:02:29,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 36 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 20:02:29,659 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 88 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:29,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 57 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 20:02:29,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2022-11-16 20:02:29,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 109. [2022-11-16 20:02:29,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 79 states have (on average 1.4177215189873418) internal successors, (112), 108 states have internal predecessors, (112), 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 20:02:29,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 112 transitions. [2022-11-16 20:02:29,685 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 112 transitions. Word has length 16 [2022-11-16 20:02:29,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:29,685 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 112 transitions. [2022-11-16 20:02:29,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 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 20:02:29,686 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 112 transitions. [2022-11-16 20:02:29,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-16 20:02:29,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:29,688 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] [2022-11-16 20:02:29,702 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 20:02:29,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:02:29,899 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:29,900 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:29,900 INFO L85 PathProgramCache]: Analyzing trace with hash 220850550, now seen corresponding path program 1 times [2022-11-16 20:02:29,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:29,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552369161] [2022-11-16 20:02:29,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:29,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:30,000 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 20:02:30,001 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:30,001 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552369161] [2022-11-16 20:02:30,001 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552369161] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:02:30,001 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:02:30,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:02:30,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091432674] [2022-11-16 20:02:30,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:02:30,003 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:02:30,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:30,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:02:30,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:02:30,004 INFO L87 Difference]: Start difference. First operand 109 states and 112 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 20:02:30,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:30,154 INFO L93 Difference]: Finished difference Result 118 states and 121 transitions. [2022-11-16 20:02:30,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:02:30,155 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 20 [2022-11-16 20:02:30,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:30,156 INFO L225 Difference]: With dead ends: 118 [2022-11-16 20:02:30,156 INFO L226 Difference]: Without dead ends: 116 [2022-11-16 20:02:30,158 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 20:02:30,159 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:30,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 101 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:02:30,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2022-11-16 20:02:30,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 111. [2022-11-16 20:02:30,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 81 states have (on average 1.4074074074074074) internal successors, (114), 110 states have internal predecessors, (114), 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 20:02:30,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 114 transitions. [2022-11-16 20:02:30,192 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 114 transitions. Word has length 20 [2022-11-16 20:02:30,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:30,193 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 114 transitions. [2022-11-16 20:02:30,193 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 20:02:30,193 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 114 transitions. [2022-11-16 20:02:30,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 20:02:30,195 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:30,195 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] [2022-11-16 20:02:30,195 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 20:02:30,195 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:30,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:30,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1798297706, now seen corresponding path program 1 times [2022-11-16 20:02:30,206 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:30,206 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740600142] [2022-11-16 20:02:30,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:30,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:30,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:30,328 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 20:02:30,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:30,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740600142] [2022-11-16 20:02:30,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740600142] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:02:30,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500889596] [2022-11-16 20:02:30,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:30,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:02:30,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:02:30,331 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:02:30,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 20:02:30,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:30,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 20:02:30,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:02:30,473 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 20:02:30,473 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:02:30,551 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 20:02:30,553 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500889596] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:02:30,553 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1726275335] [2022-11-16 20:02:30,557 INFO L159 IcfgInterpreter]: Started Sifa with 22 locations of interest [2022-11-16 20:02:30,558 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:02:30,558 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:02:30,559 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:02:30,559 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:02:30,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:30,655 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:02:30,655 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 20:02:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:30,681 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 20:02:30,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:30,857 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-16 20:02:31,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,049 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-16 20:02:31,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,287 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-11-16 20:02:31,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,891 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:02:31,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:31,931 INFO L321 Elim1Store]: treesize reduction 107, result has 6.1 percent of original size [2022-11-16 20:02:31,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 44 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 32 case distinctions, treesize of input 634 treesize of output 608 [2022-11-16 20:02:32,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,520 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:02:32,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:32,546 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-16 20:02:32,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 512 treesize of output 495 [2022-11-16 20:02:32,771 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:32,886 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 20:02:32,998 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:33,170 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:02:34,741 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1726275335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:02:34,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:02:34,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [4, 4, 4] total 16 [2022-11-16 20:02:34,741 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301051004] [2022-11-16 20:02:34,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:02:34,742 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-16 20:02:34,742 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:34,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-16 20:02:34,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2022-11-16 20:02:34,743 INFO L87 Difference]: Start difference. First operand 111 states and 114 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 20:02:36,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:36,207 INFO L93 Difference]: Finished difference Result 124 states and 127 transitions. [2022-11-16 20:02:36,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 20:02:36,208 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 26 [2022-11-16 20:02:36,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:36,209 INFO L225 Difference]: With dead ends: 124 [2022-11-16 20:02:36,209 INFO L226 Difference]: Without dead ends: 101 [2022-11-16 20:02:36,210 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 48 SyntacticMatches, 17 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 253 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=85, Invalid=295, Unknown=0, NotChecked=0, Total=380 [2022-11-16 20:02:36,210 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 122 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:36,211 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 46 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 20:02:36,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2022-11-16 20:02:36,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 82. [2022-11-16 20:02:36,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 66 states have (on average 1.2727272727272727) internal successors, (84), 81 states have internal predecessors, (84), 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 20:02:36,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 84 transitions. [2022-11-16 20:02:36,224 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 84 transitions. Word has length 26 [2022-11-16 20:02:36,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:36,225 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 84 transitions. [2022-11-16 20:02:36,225 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 8 states have internal predecessors, (22), 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 20:02:36,225 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 84 transitions. [2022-11-16 20:02:36,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-11-16 20:02:36,226 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:36,227 INFO L195 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:02:36,234 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 20:02:36,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:02:36,433 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:36,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:36,434 INFO L85 PathProgramCache]: Analyzing trace with hash -2121772117, now seen corresponding path program 1 times [2022-11-16 20:02:36,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:36,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617687753] [2022-11-16 20:02:36,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:36,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:36,552 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:02:36,552 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:36,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617687753] [2022-11-16 20:02:36,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1617687753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:02:36,553 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:02:36,553 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 20:02:36,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045798601] [2022-11-16 20:02:36,553 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:02:36,554 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 20:02:36,554 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:36,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 20:02:36,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-16 20:02:36,555 INFO L87 Difference]: Start difference. First operand 82 states and 84 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 20:02:36,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:36,686 INFO L93 Difference]: Finished difference Result 101 states and 103 transitions. [2022-11-16 20:02:36,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 20:02:36,686 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 42 [2022-11-16 20:02:36,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:36,687 INFO L225 Difference]: With dead ends: 101 [2022-11-16 20:02:36,687 INFO L226 Difference]: Without dead ends: 99 [2022-11-16 20:02:36,688 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 20:02:36,689 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 20 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:36,689 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 73 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:02:36,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2022-11-16 20:02:36,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 84. [2022-11-16 20:02:36,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 68 states have (on average 1.2647058823529411) internal successors, (86), 83 states have internal predecessors, (86), 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 20:02:36,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 86 transitions. [2022-11-16 20:02:36,699 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 86 transitions. Word has length 42 [2022-11-16 20:02:36,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:36,700 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 86 transitions. [2022-11-16 20:02:36,700 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 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 20:02:36,700 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 86 transitions. [2022-11-16 20:02:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-16 20:02:36,701 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:36,702 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:02:36,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-16 20:02:36,702 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:36,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:36,703 INFO L85 PathProgramCache]: Analyzing trace with hash 1393393311, now seen corresponding path program 1 times [2022-11-16 20:02:36,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:36,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [971133674] [2022-11-16 20:02:36,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:36,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:36,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:36,822 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:02:36,822 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:36,822 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [971133674] [2022-11-16 20:02:36,822 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [971133674] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:02:36,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [752994805] [2022-11-16 20:02:36,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:36,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:02:36,823 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:02:36,824 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:02:36,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 20:02:36,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:36,933 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 20:02:36,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:02:37,007 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:02:37,007 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:02:37,073 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:02:37,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [752994805] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:02:37,074 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [548961495] [2022-11-16 20:02:37,076 INFO L159 IcfgInterpreter]: Started Sifa with 41 locations of interest [2022-11-16 20:02:37,077 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:02:37,077 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:02:37,077 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:02:37,077 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:02:37,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:37,193 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:02:37,194 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 20:02:37,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:37,208 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 20:02:37,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:37,342 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-16 20:02:37,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:37,468 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-16 20:02:37,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:37,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:37,594 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-11-16 20:02:38,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,068 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:02:38,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,103 INFO L321 Elim1Store]: treesize reduction 107, result has 6.1 percent of original size [2022-11-16 20:02:38,104 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 44 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 32 case distinctions, treesize of input 634 treesize of output 608 [2022-11-16 20:02:38,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,644 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:02:38,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:38,683 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-16 20:02:38,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 512 treesize of output 495 [2022-11-16 20:02:38,885 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:38,989 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 20:02:39,067 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:39,211 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 20:02:39,247 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-16 20:02:39,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:39,293 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 26 treesize of output 25 [2022-11-16 20:02:39,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:39,382 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-16 20:02:39,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 238 treesize of output 222 [2022-11-16 20:02:39,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:39,509 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-16 20:02:39,509 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 151 [2022-11-16 20:02:39,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:39,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:02:39,679 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:39,828 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 20:02:39,970 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:02:42,400 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [548961495] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:02:42,400 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:02:42,400 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [4, 4, 4] total 19 [2022-11-16 20:02:42,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513769730] [2022-11-16 20:02:42,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:02:42,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 20:02:42,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:42,402 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 20:02:42,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2022-11-16 20:02:42,402 INFO L87 Difference]: Start difference. First operand 84 states and 86 transitions. Second operand has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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 20:02:44,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:44,742 INFO L93 Difference]: Finished difference Result 84 states and 86 transitions. [2022-11-16 20:02:44,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-16 20:02:44,743 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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 48 [2022-11-16 20:02:44,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:44,744 INFO L225 Difference]: With dead ends: 84 [2022-11-16 20:02:44,744 INFO L226 Difference]: Without dead ends: 70 [2022-11-16 20:02:44,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 93 SyntacticMatches, 35 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 557 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=135, Invalid=515, Unknown=0, NotChecked=0, Total=650 [2022-11-16 20:02:44,745 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 150 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 224 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 224 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:44,746 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 21 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 224 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 20:02:44,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-11-16 20:02:44,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 55. [2022-11-16 20:02:44,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 53 states have (on average 1.0754716981132075) internal successors, (57), 54 states have internal predecessors, (57), 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 20:02:44,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 57 transitions. [2022-11-16 20:02:44,754 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 57 transitions. Word has length 48 [2022-11-16 20:02:44,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:44,754 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 57 transitions. [2022-11-16 20:02:44,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 11 states have internal predecessors, (42), 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 20:02:44,755 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 57 transitions. [2022-11-16 20:02:44,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-16 20:02:44,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:44,756 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, 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 20:02:44,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-16 20:02:44,961 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-16 20:02:44,961 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:44,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:44,962 INFO L85 PathProgramCache]: Analyzing trace with hash -735429351, now seen corresponding path program 1 times [2022-11-16 20:02:44,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:44,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613144113] [2022-11-16 20:02:44,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:44,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:45,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:02:45,183 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:45,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613144113] [2022-11-16 20:02:45,183 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613144113] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:02:45,183 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1482004847] [2022-11-16 20:02:45,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:45,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:02:45,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:02:45,187 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:02:45,210 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-16 20:02:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:45,280 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:02:45,282 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:02:45,309 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:02:45,310 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:02:45,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:02:45,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1482004847] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:02:45,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1840280180] [2022-11-16 20:02:45,368 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-16 20:02:45,369 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:02:45,370 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:02:45,370 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:02:45,370 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:02:45,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:45,470 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:02:45,470 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 20:02:45,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:45,486 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 20:02:45,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:45,584 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-16 20:02:45,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:45,718 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-16 20:02:45,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:45,838 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 128 [2022-11-16 20:02:46,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,298 INFO L321 Elim1Store]: treesize reduction 113, result has 5.8 percent of original size [2022-11-16 20:02:46,299 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 52 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 31 case distinctions, treesize of input 641 treesize of output 615 [2022-11-16 20:02:46,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:46,687 INFO L321 Elim1Store]: treesize reduction 64, result has 1.5 percent of original size [2022-11-16 20:02:46,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 53 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 20 case distinctions, treesize of input 496 treesize of output 479 [2022-11-16 20:02:46,797 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:46,836 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 20:02:46,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:47,088 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 20:02:47,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-16 20:02:47,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:47,227 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 26 treesize of output 25 [2022-11-16 20:02:47,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:47,386 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 20:02:47,465 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:47,940 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 20:02:48,197 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:02:51,752 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3052#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |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|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post9#1|) (<= |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 20:02:51,752 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 20:02:51,753 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:02:51,754 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2022-11-16 20:02:51,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83967036] [2022-11-16 20:02:51,754 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 20:02:51,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-16 20:02:51,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:51,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-16 20:02:51,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=582, Unknown=0, NotChecked=0, Total=702 [2022-11-16 20:02:51,756 INFO L87 Difference]: Start difference. First operand 55 states and 57 transitions. Second operand has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 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 20:02:52,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:52,041 INFO L93 Difference]: Finished difference Result 98 states and 102 transitions. [2022-11-16 20:02:52,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-11-16 20:02:52,042 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 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 52 [2022-11-16 20:02:52,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:52,043 INFO L225 Difference]: With dead ends: 98 [2022-11-16 20:02:52,043 INFO L226 Difference]: Without dead ends: 97 [2022-11-16 20:02:52,043 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 104 SyntacticMatches, 30 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 845 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=192, Invalid=930, Unknown=0, NotChecked=0, Total=1122 [2022-11-16 20:02:52,044 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 147 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 147 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:52,044 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [147 Valid, 64 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-16 20:02:52,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2022-11-16 20:02:52,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 63. [2022-11-16 20:02:52,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 61 states have (on average 1.098360655737705) internal successors, (67), 62 states have internal predecessors, (67), 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 20:02:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 67 transitions. [2022-11-16 20:02:52,057 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 67 transitions. Word has length 52 [2022-11-16 20:02:52,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:52,058 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 67 transitions. [2022-11-16 20:02:52,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 12 states have internal predecessors, (58), 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 20:02:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 67 transitions. [2022-11-16 20:02:52,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-11-16 20:02:52,063 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:52,064 INFO L195 NwaCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:02:52,070 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-16 20:02:52,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-16 20:02:52,269 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:52,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:52,270 INFO L85 PathProgramCache]: Analyzing trace with hash -1323473204, now seen corresponding path program 1 times [2022-11-16 20:02:52,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:52,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457305157] [2022-11-16 20:02:52,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:52,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:52,468 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:02:52,469 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:52,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457305157] [2022-11-16 20:02:52,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457305157] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:02:52,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597675149] [2022-11-16 20:02:52,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:52,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:02:52,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:02:52,471 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:02:52,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-16 20:02:52,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:52,558 INFO L263 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-16 20:02:52,561 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:02:52,589 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-16 20:02:52,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 20:02:52,590 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597675149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:02:52,590 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 20:02:52,590 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-16 20:02:52,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570496043] [2022-11-16 20:02:52,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:02:52,592 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-16 20:02:52,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:02:52,593 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-16 20:02:52,593 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-16 20:02:52,594 INFO L87 Difference]: Start difference. First operand 63 states and 67 transitions. Second operand has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 20:02:52,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:02:52,713 INFO L93 Difference]: Finished difference Result 93 states and 97 transitions. [2022-11-16 20:02:52,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 20:02:52,714 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 53 [2022-11-16 20:02:52,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:02:52,715 INFO L225 Difference]: With dead ends: 93 [2022-11-16 20:02:52,715 INFO L226 Difference]: Without dead ends: 92 [2022-11-16 20:02:52,715 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-16 20:02:52,716 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 76 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 102 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 102 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-16 20:02:52,716 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 38 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-16 20:02:52,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2022-11-16 20:02:52,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 62. [2022-11-16 20:02:52,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 61 states have (on average 1.0491803278688525) internal successors, (64), 61 states have internal predecessors, (64), 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 20:02:52,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2022-11-16 20:02:52,726 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 53 [2022-11-16 20:02:52,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:02:52,726 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2022-11-16 20:02:52,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.8) internal successors, (49), 6 states have internal predecessors, (49), 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 20:02:52,727 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2022-11-16 20:02:52,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-11-16 20:02:52,728 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:02:52,728 INFO L195 NwaCegarLoop]: trace histogram [5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:02:52,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-16 20:02:52,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-16 20:02:52,938 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 39 more)] === [2022-11-16 20:02:52,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:02:52,939 INFO L85 PathProgramCache]: Analyzing trace with hash -1542427666, now seen corresponding path program 2 times [2022-11-16 20:02:52,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:02:52,939 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942629619] [2022-11-16 20:02:52,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:02:52,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:02:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:02:53,804 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 13 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-16 20:02:53,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:02:53,804 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [942629619] [2022-11-16 20:02:53,805 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [942629619] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 20:02:53,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61969065] [2022-11-16 20:02:53,805 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-16 20:02:53,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 20:02:53,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:02:53,806 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 20:02:53,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-16 20:02:53,887 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s) [2022-11-16 20:02:53,887 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-16 20:02:53,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-16 20:02:53,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 20:02:54,016 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 20:02:54,017 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 20:02:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-16 20:02:54,126 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61969065] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-16 20:02:54,126 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [479451042] [2022-11-16 20:02:54,134 INFO L159 IcfgInterpreter]: Started Sifa with 45 locations of interest [2022-11-16 20:02:54,134 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 20:02:54,136 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 20:02:54,136 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 20:02:54,136 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 20:02:54,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:54,225 INFO L321 Elim1Store]: treesize reduction 24, result has 44.2 percent of original size [2022-11-16 20:02:54,227 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 20:02:54,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:54,281 INFO L321 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2022-11-16 20:02:54,281 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 20:02:54,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:54,397 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 10 select indices, 10 select index equivalence classes, 32 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 113 [2022-11-16 20:02:54,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:54,535 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 33 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 0 case distinctions, treesize of input 108 treesize of output 128 [2022-11-16 20:02:54,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:54,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:54,684 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 11 select indices, 11 select index equivalence classes, 33 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 123 [2022-11-16 20:02:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,097 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:02:55,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,134 INFO L321 Elim1Store]: treesize reduction 107, result has 6.1 percent of original size [2022-11-16 20:02:55,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 13 select indices, 13 select index equivalence classes, 44 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 32 case distinctions, treesize of input 634 treesize of output 608 [2022-11-16 20:02:55,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,592 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-16 20:02:55,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:55,617 INFO L321 Elim1Store]: treesize reduction 58, result has 1.7 percent of original size [2022-11-16 20:02:55,618 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 12 select indices, 12 select index equivalence classes, 44 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 21 case distinctions, treesize of input 512 treesize of output 495 [2022-11-16 20:02:55,754 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:55,838 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 20:02:55,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:55,986 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 20:02:56,011 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 28 [2022-11-16 20:02:56,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:56,059 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 26 treesize of output 25 [2022-11-16 20:02:56,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:56,144 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-16 20:02:56,145 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 238 treesize of output 222 [2022-11-16 20:02:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 20:02:56,247 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-16 20:02:56,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 158 treesize of output 151 [2022-11-16 20:02:56,319 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:56,345 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 20:02:56,382 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 12 [2022-11-16 20:02:56,721 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 20:02:56,828 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-16 20:03:00,578 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3979#(and (<= 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (= 2 |ULTIMATE.start_main_~MINVAL~0#1|) (<= ~CELLCOUNT~0 2147483647) (<= 1 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) (= |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|) (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 0 |ULTIMATE.start_main_~i~0#1|) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#volArray~0#1.base|) (< 2147483646 |ULTIMATE.start_main_#t~post9#1|) (<= |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 20:03:00,578 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-16 20:03:00,579 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-16 20:03:00,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 2, 2] total 18 [2022-11-16 20:03:00,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1368755086] [2022-11-16 20:03:00,579 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-16 20:03:00,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-11-16 20:03:00,580 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:03:00,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-11-16 20:03:00,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2022-11-16 20:03:00,581 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 18 states have internal predecessors, (107), 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 20:03:01,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:03:01,347 INFO L93 Difference]: Finished difference Result 147 states and 152 transitions. [2022-11-16 20:03:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2022-11-16 20:03:01,348 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 18 states have internal predecessors, (107), 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 61 [2022-11-16 20:03:01,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:03:01,348 INFO L225 Difference]: With dead ends: 147 [2022-11-16 20:03:01,348 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 20:03:01,350 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 134 SyntacticMatches, 33 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 954 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=244, Invalid=1736, Unknown=0, NotChecked=0, Total=1980 [2022-11-16 20:03:01,351 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 219 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 536 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 219 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 548 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 536 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-16 20:03:01,351 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [219 Valid, 74 Invalid, 548 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 536 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-16 20:03:01,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 20:03:01,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 20:03:01,352 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 20:03:01,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 20:03:01,352 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2022-11-16 20:03:01,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:03:01,353 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 20:03:01,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.944444444444445) internal successors, (107), 18 states have internal predecessors, (107), 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 20:03:01,353 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 20:03:01,354 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 20:03:01,356 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (41 of 42 remaining) [2022-11-16 20:03:01,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (40 of 42 remaining) [2022-11-16 20:03:01,357 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (39 of 42 remaining) [2022-11-16 20:03:01,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (38 of 42 remaining) [2022-11-16 20:03:01,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (37 of 42 remaining) [2022-11-16 20:03:01,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (36 of 42 remaining) [2022-11-16 20:03:01,358 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (35 of 42 remaining) [2022-11-16 20:03:01,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (34 of 42 remaining) [2022-11-16 20:03:01,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (33 of 42 remaining) [2022-11-16 20:03:01,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (32 of 42 remaining) [2022-11-16 20:03:01,359 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (31 of 42 remaining) [2022-11-16 20:03:01,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (30 of 42 remaining) [2022-11-16 20:03:01,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 42 remaining) [2022-11-16 20:03:01,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 42 remaining) [2022-11-16 20:03:01,360 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 42 remaining) [2022-11-16 20:03:01,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 42 remaining) [2022-11-16 20:03:01,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 42 remaining) [2022-11-16 20:03:01,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 42 remaining) [2022-11-16 20:03:01,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 42 remaining) [2022-11-16 20:03:01,361 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 42 remaining) [2022-11-16 20:03:01,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 42 remaining) [2022-11-16 20:03:01,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 42 remaining) [2022-11-16 20:03:01,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 42 remaining) [2022-11-16 20:03:01,362 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 42 remaining) [2022-11-16 20:03:01,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 42 remaining) [2022-11-16 20:03:01,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 42 remaining) [2022-11-16 20:03:01,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 42 remaining) [2022-11-16 20:03:01,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 42 remaining) [2022-11-16 20:03:01,363 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 42 remaining) [2022-11-16 20:03:01,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 42 remaining) [2022-11-16 20:03:01,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 42 remaining) [2022-11-16 20:03:01,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 42 remaining) [2022-11-16 20:03:01,364 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 42 remaining) [2022-11-16 20:03:01,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 42 remaining) [2022-11-16 20:03:01,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 42 remaining) [2022-11-16 20:03:01,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 42 remaining) [2022-11-16 20:03:01,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 42 remaining) [2022-11-16 20:03:01,365 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 42 remaining) [2022-11-16 20:03:01,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 42 remaining) [2022-11-16 20:03:01,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 42 remaining) [2022-11-16 20:03:01,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 42 remaining) [2022-11-16 20:03:01,366 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 42 remaining) [2022-11-16 20:03:01,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-16 20:03:01,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-16 20:03:01,574 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 20:03:02,885 INFO L899 garLoopResultBuilder]: For program point L35-2(line 35) no Hoare annotation was computed. [2022-11-16 20:03:02,886 INFO L899 garLoopResultBuilder]: For program point L35-3(line 35) no Hoare annotation was computed. [2022-11-16 20:03:02,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-16 20:03:02,886 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-16 20:03:02,886 INFO L899 garLoopResultBuilder]: For program point L27-1(line 27) no Hoare annotation was computed. [2022-11-16 20:03:02,887 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 38) no Hoare annotation was computed. [2022-11-16 20:03:02,887 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,887 INFO L899 garLoopResultBuilder]: For program point L27-5(line 27) no Hoare annotation was computed. [2022-11-16 20:03:02,887 INFO L899 garLoopResultBuilder]: For program point L27-6(line 27) no Hoare annotation was computed. [2022-11-16 20:03:02,888 INFO L895 garLoopResultBuilder]: At program point L27-7(lines 27 38) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= 98 (select .cse0 1)) (= (select .cse0 7) 0) (= (select |#length| 3) 12) (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 2 ~CELLCOUNT~0) (= (select .cse0 6) 99) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse0 4) 50) (= 2 |ULTIMATE.start_main_~MINVAL~0#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|) (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 2) 2)) (= 114 (select .cse0 3)) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 1073741824) (= (select |#valid| 0) 0) (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|)) (= (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|) (* ~CELLCOUNT~0 4)) (= (select .cse0 5) 46) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 8 (select |#length| 2)) (= (select .cse1 0) 48) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (= (select .cse0 0) 109) (= (select .cse1 1) 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (< 0 |#StackHeapBarrier|) (= 112 (select .cse0 2)) (= |#NULL.base| 0))) [2022-11-16 20:03:02,888 INFO L899 garLoopResultBuilder]: For program point L27-8(lines 27 38) no Hoare annotation was computed. [2022-11-16 20:03:02,889 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-16 20:03:02,889 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,889 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr33ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,889 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-16 20:03:02,889 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2022-11-16 20:03:02,889 INFO L899 garLoopResultBuilder]: For program point L44-2(line 44) no Hoare annotation was computed. [2022-11-16 20:03:02,890 INFO L899 garLoopResultBuilder]: For program point L44-3(line 44) no Hoare annotation was computed. [2022-11-16 20:03:02,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-11-16 20:03:02,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-16 20:03:02,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 20:03:02,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,890 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-16 20:03:02,891 INFO L899 garLoopResultBuilder]: For program point L53-3(line 53) no Hoare annotation was computed. [2022-11-16 20:03:02,891 INFO L899 garLoopResultBuilder]: For program point L53-4(line 53) no Hoare annotation was computed. [2022-11-16 20:03:02,891 INFO L895 garLoopResultBuilder]: At program point L53-5(lines 53 56) the Hoare annotation is: (let ((.cse32 (select |#memory_int| 1)) (.cse31 (select |#memory_int| 2))) (let ((.cse0 (= 98 (select .cse31 1))) (.cse1 (= (select .cse31 7) 0)) (.cse2 (= (select |#length| 3) 12)) (.cse3 (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1)) (.cse4 (<= 2 ~CELLCOUNT~0)) (.cse5 (= (select .cse31 6) 99)) (.cse6 (= 2 (select |#length| 1))) (.cse7 (= (select |#valid| 3) 1)) (.cse8 (= (select .cse31 4) 50)) (.cse9 (= 2 |ULTIMATE.start_main_~MINVAL~0#1|)) (.cse10 (<= ~CELLCOUNT~0 2147483647)) (.cse11 (= |ULTIMATE.start_main_~CCCELVOL1~0#1| 1)) (.cse12 (= |ULTIMATE.start_main_~#volArray~0#1.offset| 0)) (.cse13 (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 2) 2))) (.cse14 (= 114 (select .cse31 3))) (.cse15 (= (select |#valid| 1) 1)) (.cse16 (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3)) (.cse17 (= (select |#valid| 0) 0)) (.cse18 (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|))) (.cse19 (= (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|) (* ~CELLCOUNT~0 4))) (.cse20 (= (select .cse31 5) 46)) (.cse21 (= (select |#valid| 2) 1)) (.cse22 (= |#NULL.offset| 0)) (.cse23 (= 8 (select |#length| 2))) (.cse24 (= (select .cse32 0) 48)) (.cse25 (= (select .cse31 0) 109)) (.cse26 (= (select .cse32 1) 0)) (.cse27 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|)) (.cse28 (< 0 |#StackHeapBarrier|)) (.cse29 (= 112 (select .cse31 2))) (.cse30 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 |ULTIMATE.start_main_~i~0#1|) .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) (and .cse0 .cse1 .cse2 .cse3 (= |ULTIMATE.start_main_~i~0#1| 0) .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)))) [2022-11-16 20:03:02,892 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,892 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-11-16 20:03:02,892 INFO L899 garLoopResultBuilder]: For program point L37(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,892 INFO L899 garLoopResultBuilder]: For program point L37-1(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,892 INFO L899 garLoopResultBuilder]: For program point L37-2(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,892 INFO L899 garLoopResultBuilder]: For program point L37-3(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,893 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-16 20:03:02,893 INFO L899 garLoopResultBuilder]: For program point L37-4(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,893 INFO L899 garLoopResultBuilder]: For program point L37-5(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,893 INFO L899 garLoopResultBuilder]: For program point L37-6(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,893 INFO L899 garLoopResultBuilder]: For program point L29(lines 29 36) no Hoare annotation was computed. [2022-11-16 20:03:02,893 INFO L899 garLoopResultBuilder]: For program point L29-2(lines 29 36) no Hoare annotation was computed. [2022-11-16 20:03:02,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-16 20:03:02,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-11-16 20:03:02,894 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-16 20:03:02,895 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-11-16 20:03:02,895 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,895 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-16 20:03:02,895 INFO L899 garLoopResultBuilder]: For program point L31(line 31) no Hoare annotation was computed. [2022-11-16 20:03:02,895 INFO L899 garLoopResultBuilder]: For program point L31-1(line 31) no Hoare annotation was computed. [2022-11-16 20:03:02,896 INFO L899 garLoopResultBuilder]: For program point L31-2(line 31) no Hoare annotation was computed. [2022-11-16 20:03:02,896 INFO L899 garLoopResultBuilder]: For program point L31-3(line 31) no Hoare annotation was computed. [2022-11-16 20:03:02,896 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-16 20:03:02,896 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-11-16 20:03:02,896 INFO L899 garLoopResultBuilder]: For program point L48(line 48) no Hoare annotation was computed. [2022-11-16 20:03:02,896 INFO L899 garLoopResultBuilder]: For program point L48-1(line 48) no Hoare annotation was computed. [2022-11-16 20:03:02,897 INFO L899 garLoopResultBuilder]: For program point L48-2(line 48) no Hoare annotation was computed. [2022-11-16 20:03:02,897 INFO L899 garLoopResultBuilder]: For program point L48-3(line 48) no Hoare annotation was computed. [2022-11-16 20:03:02,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,897 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,897 INFO L899 garLoopResultBuilder]: For program point L40-1(line 40) no Hoare annotation was computed. [2022-11-16 20:03:02,898 INFO L899 garLoopResultBuilder]: For program point L40-2(lines 40 51) no Hoare annotation was computed. [2022-11-16 20:03:02,898 INFO L899 garLoopResultBuilder]: For program point L40-5(line 40) no Hoare annotation was computed. [2022-11-16 20:03:02,898 INFO L899 garLoopResultBuilder]: For program point L40-6(line 40) no Hoare annotation was computed. [2022-11-16 20:03:02,898 INFO L895 garLoopResultBuilder]: At program point L40-7(lines 40 51) the Hoare annotation is: (let ((.cse1 (select |#memory_int| 1)) (.cse0 (select |#memory_int| 2))) (and (= 98 (select .cse0 1)) (= (select .cse0 7) 0) (= (select |#length| 3) 12) (= (select |#valid| |ULTIMATE.start_main_~#volArray~0#1.base|) 1) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 2 ~CELLCOUNT~0) (= (select .cse0 6) 99) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select .cse0 4) 50) (= 2 |ULTIMATE.start_main_~MINVAL~0#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|) (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 2) 2)) (= 114 (select .cse0 3)) (<= 0 |ULTIMATE.start_assume_abort_if_not_~cond#1|) (= (select |#valid| 1) 1) (= |ULTIMATE.start_main_~CCCELVOL2~0#1| 3) (<= |ULTIMATE.start_main_~i~0#1| 1073741824) (= (select |#valid| 0) 0) (not (= 2 |ULTIMATE.start_main_~#volArray~0#1.base|)) (= (select |#length| |ULTIMATE.start_main_~#volArray~0#1.base|) (* ~CELLCOUNT~0 4)) (= (select .cse0 5) 46) (= (select |#valid| 2) 1) (= |#NULL.offset| 0) (= 8 (select |#length| 2)) (= (select .cse1 0) 48) (<= |ULTIMATE.start_assume_abort_if_not_#in~cond#1| 1) (= (select .cse0 0) 109) (= (select .cse1 1) 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#volArray~0#1.base|) (<= |ULTIMATE.start_assume_abort_if_not_~cond#1| 1) (< 0 |#StackHeapBarrier|) (= 112 (select .cse0 2)) (= |#NULL.base| 0))) [2022-11-16 20:03:02,899 INFO L899 garLoopResultBuilder]: For program point L40-8(lines 40 51) no Hoare annotation was computed. [2022-11-16 20:03:02,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-16 20:03:02,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr29ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-11-16 20:03:02,899 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-16 20:03:02,899 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr21ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-16 20:03:02,900 INFO L899 garLoopResultBuilder]: For program point L16(lines 16 57) no Hoare annotation was computed. [2022-11-16 20:03:02,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr32ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,900 INFO L899 garLoopResultBuilder]: For program point L16-2(lines 16 57) no Hoare annotation was computed. [2022-11-16 20:03:02,900 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW(line 53) no Hoare annotation was computed. [2022-11-16 20:03:02,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 20:03:02,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-16 20:03:02,901 INFO L895 garLoopResultBuilder]: At program point L58(lines 13 59) the Hoare annotation is: (or (not (= ~CELLCOUNT~0 (* (div ~CELLCOUNT~0 2) 2))) (<= ~CELLCOUNT~0 2147483647)) [2022-11-16 20:03:02,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr28ASSERT_VIOLATIONINTEGER_OVERFLOW(line 48) no Hoare annotation was computed. [2022-11-16 20:03:02,901 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-16 20:03:02,902 INFO L899 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,902 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,902 INFO L899 garLoopResultBuilder]: For program point L50-1(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,902 INFO L899 garLoopResultBuilder]: For program point L50-2(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,902 INFO L899 garLoopResultBuilder]: For program point L50-3(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,903 INFO L899 garLoopResultBuilder]: For program point L50-4(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,903 INFO L899 garLoopResultBuilder]: For program point L50-5(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,903 INFO L899 garLoopResultBuilder]: For program point L50-6(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,903 INFO L899 garLoopResultBuilder]: For program point L42(lines 42 49) no Hoare annotation was computed. [2022-11-16 20:03:02,903 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW(line 40) no Hoare annotation was computed. [2022-11-16 20:03:02,903 INFO L899 garLoopResultBuilder]: For program point L42-2(lines 42 49) no Hoare annotation was computed. [2022-11-16 20:03:02,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-16 20:03:02,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 31) no Hoare annotation was computed. [2022-11-16 20:03:02,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr31ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW(line 50) no Hoare annotation was computed. [2022-11-16 20:03:02,904 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 37) no Hoare annotation was computed. [2022-11-16 20:03:02,905 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 35) no Hoare annotation was computed. [2022-11-16 20:03:02,905 INFO L899 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2022-11-16 20:03:02,905 INFO L899 garLoopResultBuilder]: For program point L35-1(line 35) no Hoare annotation was computed. [2022-11-16 20:03:02,909 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 20:03:02,912 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 20:03:02,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 08:03:02 BoogieIcfgContainer [2022-11-16 20:03:02,941 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 20:03:02,942 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 20:03:02,942 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 20:03:02,942 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 20:03:02,942 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:02:25" (3/4) ... [2022-11-16 20:03:02,946 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 20:03:02,958 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-16 20:03:02,958 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-16 20:03:02,958 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-16 20:03:02,959 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 20:03:02,959 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 20:03:02,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && \valid[volArray] == 1) && 1 <= i) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && i <= 1073741824) && \valid[0] == 0) && !(2 == volArray)) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0 [2022-11-16 20:03:02,986 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && \valid[volArray] == 1) && 1 <= i) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && i <= 1073741824) && \valid[0] == 0) && !(2 == volArray)) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0 [2022-11-16 20:03:03,005 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/bin/utaipan-Xvt2sAort0/witness.graphml [2022-11-16 20:03:03,006 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 20:03:03,006 INFO L158 Benchmark]: Toolchain (without parser) took 38424.76ms. Allocated memory was 132.1MB in the beginning and 337.6MB in the end (delta: 205.5MB). Free memory was 101.4MB in the beginning and 207.1MB in the end (delta: -105.7MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2022-11-16 20:03:03,007 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:03:03,007 INFO L158 Benchmark]: CACSL2BoogieTranslator took 391.60ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 108.6MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-16 20:03:03,007 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.80ms. Allocated memory is still 132.1MB. Free memory was 108.6MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:03:03,008 INFO L158 Benchmark]: Boogie Preprocessor took 71.56ms. Allocated memory is still 132.1MB. Free memory was 106.5MB in the beginning and 105.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 20:03:03,008 INFO L158 Benchmark]: RCFGBuilder took 675.60ms. Allocated memory is still 132.1MB. Free memory was 105.2MB in the beginning and 83.9MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2022-11-16 20:03:03,008 INFO L158 Benchmark]: TraceAbstraction took 37128.52ms. Allocated memory was 132.1MB in the beginning and 337.6MB in the end (delta: 205.5MB). Free memory was 83.5MB in the beginning and 211.3MB in the end (delta: -127.9MB). Peak memory consumption was 177.6MB. Max. memory is 16.1GB. [2022-11-16 20:03:03,009 INFO L158 Benchmark]: Witness Printer took 64.19ms. Allocated memory is still 337.6MB. Free memory was 211.3MB in the beginning and 207.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 20:03:03,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory was 44.2MB in the beginning and 44.1MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 391.60ms. Allocated memory is still 132.1MB. Free memory was 101.0MB in the beginning and 108.6MB in the end (delta: -7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.80ms. Allocated memory is still 132.1MB. Free memory was 108.6MB in the beginning and 106.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.56ms. Allocated memory is still 132.1MB. Free memory was 106.5MB in the beginning and 105.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 675.60ms. Allocated memory is still 132.1MB. Free memory was 105.2MB in the beginning and 83.9MB in the end (delta: 21.3MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 37128.52ms. Allocated memory was 132.1MB in the beginning and 337.6MB in the end (delta: 205.5MB). Free memory was 83.5MB in the beginning and 211.3MB in the end (delta: -127.9MB). Peak memory consumption was 177.6MB. Max. memory is 16.1GB. * Witness Printer took 64.19ms. Allocated memory is still 337.6MB. Free memory was 211.3MB in the beginning and 207.1MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 31]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 48]: 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: 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: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 40]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 53]: 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, 97 locations, 42 error locations. Started 1 CEGAR loops. OverallTime: 37.0s, OverallIterations: 11, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 6.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 998 SdHoareTripleChecker+Valid, 2.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 998 mSDsluCounter, 819 SdHoareTripleChecker+Invalid, 2.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 407 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1811 IncrementalHoareTripleChecker+Invalid, 1951 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 412 mSDtfsCounter, 1811 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 738 GetRequests, 470 SyntacticMatches, 117 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2700 ImplicationChecksByTransitivity, 15.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=133occurred in iteration=3, InterpolantAutomatonStates: 79, 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, 132 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 22 NumberOfFragments, 691 HoareAnnotationTreeSize, 4 FomulaSimplifications, 180 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 2069 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 599 NumberOfCodeBlocks, 551 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 780 ConstructedInterpolants, 0 QuantifiedInterpolants, 2266 SizeOfPredicates, 11 NumberOfNonLiveVariables, 778 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 120/186 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: 5.8s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 3, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 72, DAG_INTERPRETER_EARLY_EXITS: 1, TOOLS_POST_APPLICATIONS: 257, TOOLS_POST_TIME: 5.1s, 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: 257, TOOLS_QUANTIFIERELIM_TIME: 5.0s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 350, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 12, DOMAIN_JOIN_TIME: 0.2s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 6, DOMAIN_WIDEN_TIME: 0.2s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 9, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 72, DOMAIN_ISBOTTOM_TIME: 0.1s, LOOP_SUMMARIZER_APPLICATIONS: 3, LOOP_SUMMARIZER_CACHE_MISSES: 3, LOOP_SUMMARIZER_OVERALL_TIME: 4.1s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 4.1s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 9, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.1s, DAG_COMPRESSION_PROCESSED_NODES: 2869, DAG_COMPRESSION_RETAINED_NODES: 254, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 42 specifications checked. All of them hold - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && \valid[volArray] == 1) && 1 <= i) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && i <= 1073741824) && \valid[0] == 0) && !(2 == volArray)) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: !(CELLCOUNT == CELLCOUNT / 2 * 2) || CELLCOUNT <= 2147483647 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && \valid[volArray] == 1) && 1 <= i) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) || (((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && \valid[volArray] == 1) && i == 0) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && \valid[1] == 1) && CCCELVOL2 == 3) && \valid[0] == 0) && !(2 == volArray)) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((98 == unknown-#memory_int-unknown[2][1] && unknown-#memory_int-unknown[2][7] == 0) && unknown-#length-unknown[3] == 12) && \valid[volArray] == 1) && 1 <= i) && 2 <= CELLCOUNT) && unknown-#memory_int-unknown[2][6] == 99) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && unknown-#memory_int-unknown[2][4] == 50) && 2 == MINVAL) && CELLCOUNT <= 2147483647) && CCCELVOL1 == 1) && volArray == 0) && 0 <= \old(cond)) && CELLCOUNT == CELLCOUNT / 2 * 2) && 114 == unknown-#memory_int-unknown[2][3]) && 0 <= cond) && \valid[1] == 1) && CCCELVOL2 == 3) && i <= 1073741824) && \valid[0] == 0) && !(2 == volArray)) && unknown-#length-unknown[volArray] == CELLCOUNT * 4) && unknown-#memory_int-unknown[2][5] == 46) && \valid[2] == 1) && #NULL == 0) && 8 == unknown-#length-unknown[2]) && unknown-#memory_int-unknown[1][0] == 48) && \old(cond) <= 1) && unknown-#memory_int-unknown[2][0] == 109) && unknown-#memory_int-unknown[1][1] == 0) && unknown-#StackHeapBarrier-unknown < volArray) && cond <= 1) && 0 < unknown-#StackHeapBarrier-unknown) && 112 == unknown-#memory_int-unknown[2][2]) && #NULL == 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 20:03:03,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d853c15a-54fd-4b21-8baf-b3292a58a58e/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