./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/java_Nested.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/java_Nested.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-b5237d8 [2022-11-22 01:26:09,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:26:09,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:26:09,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:26:09,559 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:26:09,563 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:26:09,566 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:26:09,569 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:26:09,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:26:09,577 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:26:09,578 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:26:09,581 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:26:09,581 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:26:09,586 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:26:09,588 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:26:09,590 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:26:09,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:26:09,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:26:09,594 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:26:09,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:26:09,603 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:26:09,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:26:09,605 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:26:09,606 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:26:09,609 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:26:09,610 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:26:09,610 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:26:09,611 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:26:09,611 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:26:09,613 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:26:09,613 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:26:09,614 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:26:09,615 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:26:09,616 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:26:09,617 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:26:09,617 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:26:09,618 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:26:09,618 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:26:09,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:26:09,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:26:09,620 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:26:09,621 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 01:26:09,642 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:26:09,643 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:26:09,643 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:26:09,643 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:26:09,644 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:26:09,644 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:26:09,645 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:26:09,645 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:26:09,645 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:26:09,645 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:26:09,646 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:26:09,646 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:26:09,646 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:26:09,646 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:26:09,647 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:26:09,647 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:26:09,647 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:26:09,647 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:26:09,648 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:26:09,649 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:26:09,649 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:26:09,649 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:26:09,649 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:26:09,650 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:26:09,650 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:26:09,650 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:26:09,650 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:26:09,651 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:26:09,651 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:26:09,651 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:26:09,652 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:26:09,652 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:26:09,652 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:26:09,652 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:26:09,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:26:09,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:26:09,653 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:26:09,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:26:09,653 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:26:09,654 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:26:09,654 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_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f3c7109e3632c85dc9002b2a2bde96ba9bdc501efcd49505c298845bf1ea677 [2022-11-22 01:26:09,938 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:26:09,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:26:09,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:26:09,966 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:26:09,966 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:26:09,968 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/termination-restricted-15/java_Nested.c [2022-11-22 01:26:12,962 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:26:13,145 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:26:13,145 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/sv-benchmarks/c/termination-restricted-15/java_Nested.c [2022-11-22 01:26:13,150 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/data/20f20fd58/0de24034d4ca4e779c7bfdc8bf40f45c/FLAG95ea9b5d9 [2022-11-22 01:26:13,174 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/data/20f20fd58/0de24034d4ca4e779c7bfdc8bf40f45c [2022-11-22 01:26:13,180 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:26:13,181 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:26:13,185 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:26:13,186 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:26:13,190 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:26:13,191 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,192 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60df92b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13, skipping insertion in model container [2022-11-22 01:26:13,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:26:13,214 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:26:13,346 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:26:13,353 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:26:13,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:26:13,377 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:26:13,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13 WrapperNode [2022-11-22 01:26:13,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:26:13,380 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:26:13,380 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:26:13,380 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:26:13,388 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,410 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 30 [2022-11-22 01:26:13,410 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:26:13,411 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:26:13,411 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:26:13,412 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:26:13,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,421 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,422 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,423 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,429 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,430 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,431 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:26:13,432 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:26:13,432 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:26:13,432 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:26:13,433 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (1/1) ... [2022-11-22 01:26:13,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:26:13,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:13,463 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:26:13,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:26:13,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:26:13,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:26:13,586 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:26:13,588 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:26:13,687 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:26:13,711 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:26:13,711 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-22 01:26:13,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:26:13 BoogieIcfgContainer [2022-11-22 01:26:13,714 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:26:13,716 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:26:13,717 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:26:13,720 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:26:13,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:26:13" (1/3) ... [2022-11-22 01:26:13,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a164da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:26:13, skipping insertion in model container [2022-11-22 01:26:13,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:26:13" (2/3) ... [2022-11-22 01:26:13,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a164da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:26:13, skipping insertion in model container [2022-11-22 01:26:13,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:26:13" (3/3) ... [2022-11-22 01:26:13,725 INFO L112 eAbstractionObserver]: Analyzing ICFG java_Nested.c [2022-11-22 01:26:13,746 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:26:13,746 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-22 01:26:13,799 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:26:13,806 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;@54a481a4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:26:13,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-22 01:26:13,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 19 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:13,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-22 01:26:13,818 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:13,819 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-22 01:26:13,820 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:13,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:13,826 INFO L85 PathProgramCache]: Analyzing trace with hash 2365646, now seen corresponding path program 1 times [2022-11-22 01:26:13,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:13,837 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887480767] [2022-11-22 01:26:13,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:13,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:14,031 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:14,032 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887480767] [2022-11-22 01:26:14,034 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887480767] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:14,034 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:14,035 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:26:14,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542951261] [2022-11-22 01:26:14,037 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:14,043 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:14,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:14,127 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:14,128 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,130 INFO L87 Difference]: Start difference. First operand has 20 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 19 states have internal predecessors, (21), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2022-11-22 01:26:14,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:14,239 INFO L93 Difference]: Finished difference Result 48 states and 55 transitions. [2022-11-22 01:26:14,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:14,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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 [2022-11-22 01:26:14,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:14,255 INFO L225 Difference]: With dead ends: 48 [2022-11-22 01:26:14,258 INFO L226 Difference]: Without dead ends: 28 [2022-11-22 01:26:14,261 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,278 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 9 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:14,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 19 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:26:14,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-22 01:26:14,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 25. [2022-11-22 01:26:14,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 24 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2022-11-22 01:26:14,327 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 29 transitions. Word has length 4 [2022-11-22 01:26:14,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:14,328 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 29 transitions. [2022-11-22 01:26:14,328 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 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) [2022-11-22 01:26:14,329 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2022-11-22 01:26:14,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-22 01:26:14,329 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:14,329 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-22 01:26:14,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:26:14,330 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:14,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:14,331 INFO L85 PathProgramCache]: Analyzing trace with hash 73305785, now seen corresponding path program 1 times [2022-11-22 01:26:14,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:14,331 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303093289] [2022-11-22 01:26:14,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:14,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:14,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:14,378 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:14,379 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303093289] [2022-11-22 01:26:14,379 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [303093289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:14,379 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:14,379 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:26:14,380 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355127180] [2022-11-22 01:26:14,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:14,381 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:14,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:14,382 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:14,382 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,382 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:14,427 INFO L93 Difference]: Finished difference Result 27 states and 30 transitions. [2022-11-22 01:26:14,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:14,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2022-11-22 01:26:14,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:14,429 INFO L225 Difference]: With dead ends: 27 [2022-11-22 01:26:14,429 INFO L226 Difference]: Without dead ends: 26 [2022-11-22 01:26:14,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,431 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 4 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:14,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 20 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:26:14,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-22 01:26:14,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2022-11-22 01:26:14,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 17 states have (on average 1.6470588235294117) internal successors, (28), 24 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2022-11-22 01:26:14,437 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 5 [2022-11-22 01:26:14,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:14,437 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2022-11-22 01:26:14,437 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,437 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2022-11-22 01:26:14,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-22 01:26:14,438 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:14,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-22 01:26:14,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:26:14,439 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:14,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:14,439 INFO L85 PathProgramCache]: Analyzing trace with hash -2022487905, now seen corresponding path program 1 times [2022-11-22 01:26:14,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:14,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049290629] [2022-11-22 01:26:14,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:14,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:14,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:14,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:14,475 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:14,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049290629] [2022-11-22 01:26:14,475 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049290629] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:14,475 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:14,475 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:26:14,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004647885] [2022-11-22 01:26:14,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:14,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:14,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:14,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:14,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,478 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:14,496 INFO L93 Difference]: Finished difference Result 32 states and 36 transitions. [2022-11-22 01:26:14,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:14,497 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-22 01:26:14,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:14,498 INFO L225 Difference]: With dead ends: 32 [2022-11-22 01:26:14,498 INFO L226 Difference]: Without dead ends: 31 [2022-11-22 01:26:14,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,500 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:14,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 29 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:26:14,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-22 01:26:14,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 30. [2022-11-22 01:26:14,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 22 states have (on average 1.5) internal successors, (33), 29 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions. [2022-11-22 01:26:14,506 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 6 [2022-11-22 01:26:14,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:14,507 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions. [2022-11-22 01:26:14,507 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,507 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions. [2022-11-22 01:26:14,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-22 01:26:14,508 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:14,508 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:14,508 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:26:14,509 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:14,509 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:14,509 INFO L85 PathProgramCache]: Analyzing trace with hash 1727384443, now seen corresponding path program 1 times [2022-11-22 01:26:14,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:14,510 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953660367] [2022-11-22 01:26:14,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:14,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:14,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:14,545 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:14,545 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953660367] [2022-11-22 01:26:14,545 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953660367] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:14,545 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:14,545 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:26:14,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802413335] [2022-11-22 01:26:14,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:14,546 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:14,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:14,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:14,547 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,547 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:14,560 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions. [2022-11-22 01:26:14,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:14,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2022-11-22 01:26:14,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:14,561 INFO L225 Difference]: With dead ends: 30 [2022-11-22 01:26:14,561 INFO L226 Difference]: Without dead ends: 29 [2022-11-22 01:26:14,562 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,563 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 12 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 14 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:14,564 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 14 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:26:14,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-22 01:26:14,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-22 01:26:14,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 28 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-22 01:26:14,570 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 7 [2022-11-22 01:26:14,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:14,570 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-22 01:26:14,571 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,571 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-22 01:26:14,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:26:14,571 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:14,571 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:14,572 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:26:14,572 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:14,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:14,573 INFO L85 PathProgramCache]: Analyzing trace with hash -2135891907, now seen corresponding path program 1 times [2022-11-22 01:26:14,573 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:14,573 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32678826] [2022-11-22 01:26:14,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:14,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:14,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:14,628 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:14,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32678826] [2022-11-22 01:26:14,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [32678826] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:14,629 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:14,629 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:26:14,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977948943] [2022-11-22 01:26:14,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:14,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:26:14,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:14,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:26:14,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:26:14,631 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:14,675 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-22 01:26:14,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:26:14,675 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-22 01:26:14,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:14,676 INFO L225 Difference]: With dead ends: 29 [2022-11-22 01:26:14,676 INFO L226 Difference]: Without dead ends: 27 [2022-11-22 01:26:14,677 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:26:14,678 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 16 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:14,679 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 12 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:26:14,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-22 01:26:14,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-22 01:26:14,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 26 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2022-11-22 01:26:14,685 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 9 [2022-11-22 01:26:14,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:14,685 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2022-11-22 01:26:14,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,686 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2022-11-22 01:26:14,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:26:14,686 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:14,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:14,687 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:26:14,687 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:14,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:14,688 INFO L85 PathProgramCache]: Analyzing trace with hash 402247408, now seen corresponding path program 1 times [2022-11-22 01:26:14,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:14,688 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412420827] [2022-11-22 01:26:14,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:14,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:14,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:14,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:26:14,764 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:14,764 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412420827] [2022-11-22 01:26:14,764 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412420827] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:14,764 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:14,764 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:26:14,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390039397] [2022-11-22 01:26:14,765 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:14,765 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:14,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:14,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:14,766 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,767 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:14,804 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-11-22 01:26:14,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:14,805 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:26:14,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:14,805 INFO L225 Difference]: With dead ends: 42 [2022-11-22 01:26:14,806 INFO L226 Difference]: Without dead ends: 41 [2022-11-22 01:26:14,806 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,808 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 5 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:14,808 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 21 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:26:14,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-22 01:26:14,817 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 37. [2022-11-22 01:26:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 32 states have (on average 1.34375) internal successors, (43), 36 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 43 transitions. [2022-11-22 01:26:14,819 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 43 transitions. Word has length 11 [2022-11-22 01:26:14,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:14,819 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 43 transitions. [2022-11-22 01:26:14,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,820 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 43 transitions. [2022-11-22 01:26:14,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-22 01:26:14,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:14,821 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:14,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:26:14,821 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:14,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:14,822 INFO L85 PathProgramCache]: Analyzing trace with hash 402246463, now seen corresponding path program 1 times [2022-11-22 01:26:14,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:14,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018323481] [2022-11-22 01:26:14,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:14,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:26:14,854 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:14,855 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2018323481] [2022-11-22 01:26:14,855 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2018323481] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:14,855 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:14,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:26:14,855 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68285613] [2022-11-22 01:26:14,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:14,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:14,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:14,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:14,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,857 INFO L87 Difference]: Start difference. First operand 37 states and 43 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:14,877 INFO L93 Difference]: Finished difference Result 37 states and 43 transitions. [2022-11-22 01:26:14,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:14,877 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2022-11-22 01:26:14,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:14,878 INFO L225 Difference]: With dead ends: 37 [2022-11-22 01:26:14,878 INFO L226 Difference]: Without dead ends: 35 [2022-11-22 01:26:14,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,880 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 5 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:14,881 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 12 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:26:14,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-22 01:26:14,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 28. [2022-11-22 01:26:14,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 25 states have (on average 1.24) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2022-11-22 01:26:14,887 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 11 [2022-11-22 01:26:14,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:14,887 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2022-11-22 01:26:14,888 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,888 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2022-11-22 01:26:14,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-22 01:26:14,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:14,888 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:14,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:26:14,889 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:14,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:14,890 INFO L85 PathProgramCache]: Analyzing trace with hash -415232171, now seen corresponding path program 1 times [2022-11-22 01:26:14,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:14,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764329723] [2022-11-22 01:26:14,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:14,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:14,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:26:14,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:14,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764329723] [2022-11-22 01:26:14,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764329723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:14,942 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:14,942 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-22 01:26:14,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180838031] [2022-11-22 01:26:14,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:14,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:14,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:14,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:14,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,944 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:14,973 INFO L93 Difference]: Finished difference Result 28 states and 31 transitions. [2022-11-22 01:26:14,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:14,974 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2022-11-22 01:26:14,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:14,974 INFO L225 Difference]: With dead ends: 28 [2022-11-22 01:26:14,975 INFO L226 Difference]: Without dead ends: 27 [2022-11-22 01:26:14,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:14,976 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:14,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:26:14,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-22 01:26:14,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-22 01:26:14,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 25 states have (on average 1.2) internal successors, (30), 26 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2022-11-22 01:26:14,992 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 12 [2022-11-22 01:26:14,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:14,993 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2022-11-22 01:26:14,993 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:14,993 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2022-11-22 01:26:14,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:26:14,994 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:14,994 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:14,994 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:26:14,994 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:14,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:14,995 INFO L85 PathProgramCache]: Analyzing trace with hash 11796033, now seen corresponding path program 1 times [2022-11-22 01:26:14,995 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:14,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045986857] [2022-11-22 01:26:14,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:14,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:15,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:15,039 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:15,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:15,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045986857] [2022-11-22 01:26:15,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045986857] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:15,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469163408] [2022-11-22 01:26:15,040 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:15,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:15,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:15,044 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:15,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-22 01:26:15,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:15,094 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-22 01:26:15,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:15,156 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:15,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:15,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469163408] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:15,198 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1187497323] [2022-11-22 01:26:15,232 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-22 01:26:15,232 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:15,236 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:15,242 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:15,243 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:15,500 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:15,835 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '708#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 11) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-22 01:26:15,835 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:26:15,835 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:15,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [2, 2, 2] total 4 [2022-11-22 01:26:15,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843047847] [2022-11-22 01:26:15,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:26:15,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 01:26:15,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:15,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 01:26:15,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:26:15,838 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:15,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:15,901 INFO L93 Difference]: Finished difference Result 82 states and 95 transitions. [2022-11-22 01:26:15,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 01:26:15,902 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 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 [2022-11-22 01:26:15,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:15,903 INFO L225 Difference]: With dead ends: 82 [2022-11-22 01:26:15,903 INFO L226 Difference]: Without dead ends: 81 [2022-11-22 01:26:15,904 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 25 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2022-11-22 01:26:15,904 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 34 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:15,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 46 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:26:15,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-22 01:26:15,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 79. [2022-11-22 01:26:15,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 77 states have (on average 1.155844155844156) internal successors, (89), 78 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:15,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 89 transitions. [2022-11-22 01:26:15,918 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 89 transitions. Word has length 13 [2022-11-22 01:26:15,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:15,919 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 89 transitions. [2022-11-22 01:26:15,919 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 89 transitions. [2022-11-22 01:26:15,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-22 01:26:15,920 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:15,920 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-22 01:26:15,932 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-22 01:26:16,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-11-22 01:26:16,121 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:16,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:16,122 INFO L85 PathProgramCache]: Analyzing trace with hash 1744044343, now seen corresponding path program 1 times [2022-11-22 01:26:16,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:16,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389989363] [2022-11-22 01:26:16,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:16,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:16,167 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 01:26:16,168 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:16,168 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389989363] [2022-11-22 01:26:16,168 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389989363] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:16,168 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:26:16,168 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:26:16,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978563811] [2022-11-22 01:26:16,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:16,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:26:16,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:16,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:26:16,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:16,170 INFO L87 Difference]: Start difference. First operand 79 states and 89 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2022-11-22 01:26:16,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:16,188 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2022-11-22 01:26:16,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:26:16,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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 22 [2022-11-22 01:26:16,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:16,195 INFO L225 Difference]: With dead ends: 79 [2022-11-22 01:26:16,195 INFO L226 Difference]: Without dead ends: 78 [2022-11-22 01:26:16,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:26:16,196 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 2 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:16,197 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 8 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:26:16,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-22 01:26:16,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 51. [2022-11-22 01:26:16,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 50 states have (on average 1.1) internal successors, (55), 50 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:16,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2022-11-22 01:26:16,204 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 22 [2022-11-22 01:26:16,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:16,204 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2022-11-22 01:26:16,205 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 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) [2022-11-22 01:26:16,205 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2022-11-22 01:26:16,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-22 01:26:16,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:16,206 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 1, 1, 1] [2022-11-22 01:26:16,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-22 01:26:16,206 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:16,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:16,212 INFO L85 PathProgramCache]: Analyzing trace with hash 1429718047, now seen corresponding path program 2 times [2022-11-22 01:26:16,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:16,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1114359032] [2022-11-22 01:26:16,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:16,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:16,425 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:16,425 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:16,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1114359032] [2022-11-22 01:26:16,426 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1114359032] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:16,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1227725424] [2022-11-22 01:26:16,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:26:16,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:16,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:16,433 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:16,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-22 01:26:16,496 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2022-11-22 01:26:16,496 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:26:16,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:26:16,500 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:16,582 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:16,720 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:16,721 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1227725424] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:16,721 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1915734244] [2022-11-22 01:26:16,725 INFO L159 IcfgInterpreter]: Started Sifa with 10 locations of interest [2022-11-22 01:26:16,725 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:16,725 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:16,726 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:16,726 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:16,859 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:17,211 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1285#(and (= |ULTIMATE.start_main_~i~0#1| 0) (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 11) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-22 01:26:17,212 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:26:17,212 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:17,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-22 01:26:17,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313633188] [2022-11-22 01:26:17,212 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:26:17,213 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:26:17,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:17,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:26:17,214 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:26:17,214 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:17,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:17,310 INFO L93 Difference]: Finished difference Result 118 states and 133 transitions. [2022-11-22 01:26:17,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 01:26:17,310 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 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 34 [2022-11-22 01:26:17,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:17,312 INFO L225 Difference]: With dead ends: 118 [2022-11-22 01:26:17,313 INFO L226 Difference]: Without dead ends: 117 [2022-11-22 01:26:17,313 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 82 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 218 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=104, Invalid=276, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:26:17,315 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 93 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:17,315 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 89 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:26:17,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2022-11-22 01:26:17,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2022-11-22 01:26:17,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 116 states have (on average 1.0948275862068966) internal successors, (127), 116 states have internal predecessors, (127), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:17,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 127 transitions. [2022-11-22 01:26:17,353 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 127 transitions. Word has length 34 [2022-11-22 01:26:17,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:17,354 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 127 transitions. [2022-11-22 01:26:17,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 6.181818181818182) internal successors, (68), 11 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:17,354 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 127 transitions. [2022-11-22 01:26:17,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2022-11-22 01:26:17,356 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:17,356 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 1, 1, 1] [2022-11-22 01:26:17,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:17,575 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-22 01:26:17,575 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:17,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:17,576 INFO L85 PathProgramCache]: Analyzing trace with hash -1159428769, now seen corresponding path program 3 times [2022-11-22 01:26:17,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:17,576 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276234035] [2022-11-22 01:26:17,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:17,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:17,997 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 0 proven. 355 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:26:17,997 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:17,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276234035] [2022-11-22 01:26:17,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276234035] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:17,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473145347] [2022-11-22 01:26:17,998 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:26:17,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:17,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:17,999 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:18,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-22 01:26:18,067 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 01:26:18,067 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:26:18,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 20 conjunts are in the unsatisfiable core [2022-11-22 01:26:18,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:18,331 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 352 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-22 01:26:18,331 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:26:18,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473145347] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:18,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:26:18,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [11] total 24 [2022-11-22 01:26:18,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825519541] [2022-11-22 01:26:18,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:18,334 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 01:26:18,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:18,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 01:26:18,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-11-22 01:26:18,335 INFO L87 Difference]: Start difference. First operand 117 states and 127 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:18,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:18,490 INFO L93 Difference]: Finished difference Result 472 states and 527 transitions. [2022-11-22 01:26:18,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-22 01:26:18,491 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 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 76 [2022-11-22 01:26:18,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:18,497 INFO L225 Difference]: With dead ends: 472 [2022-11-22 01:26:18,497 INFO L226 Difference]: Without dead ends: 457 [2022-11-22 01:26:18,498 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=397, Unknown=0, NotChecked=0, Total=552 [2022-11-22 01:26:18,499 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 39 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:18,499 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 77 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:26:18,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-11-22 01:26:18,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 449. [2022-11-22 01:26:18,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 449 states, 448 states have (on average 1.1361607142857142) internal successors, (509), 448 states have internal predecessors, (509), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:18,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 509 transitions. [2022-11-22 01:26:18,539 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 509 transitions. Word has length 76 [2022-11-22 01:26:18,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:18,539 INFO L495 AbstractCegarLoop]: Abstraction has 449 states and 509 transitions. [2022-11-22 01:26:18,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 13 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:18,540 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 509 transitions. [2022-11-22 01:26:18,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-22 01:26:18,543 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:18,544 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1] [2022-11-22 01:26:18,549 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:18,749 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:18,749 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:18,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:18,750 INFO L85 PathProgramCache]: Analyzing trace with hash 1988115734, now seen corresponding path program 1 times [2022-11-22 01:26:18,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:18,750 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411514693] [2022-11-22 01:26:18,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:18,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:18,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 130 proven. 9 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-22 01:26:18,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:18,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411514693] [2022-11-22 01:26:18,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411514693] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:18,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [907655230] [2022-11-22 01:26:18,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:18,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:18,862 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:18,863 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:18,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-22 01:26:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:18,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-22 01:26:18,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:18,973 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 130 proven. 9 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-22 01:26:18,973 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:19,039 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 130 proven. 9 refuted. 0 times theorem prover too weak. 228 trivial. 0 not checked. [2022-11-22 01:26:19,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [907655230] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:19,039 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [587798172] [2022-11-22 01:26:19,041 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-22 01:26:19,041 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:19,042 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:19,042 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:19,042 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:19,384 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:19,769 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '3401#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 11) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-22 01:26:19,769 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:26:19,769 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:19,770 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2022-11-22 01:26:19,770 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877970379] [2022-11-22 01:26:19,770 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:26:19,770 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-22 01:26:19,770 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:19,771 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-22 01:26:19,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:26:19,771 INFO L87 Difference]: Start difference. First operand 449 states and 509 transitions. Second operand has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:19,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:19,848 INFO L93 Difference]: Finished difference Result 592 states and 669 transitions. [2022-11-22 01:26:19,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-22 01:26:19,848 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 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 80 [2022-11-22 01:26:19,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:19,850 INFO L225 Difference]: With dead ends: 592 [2022-11-22 01:26:19,850 INFO L226 Difference]: Without dead ends: 209 [2022-11-22 01:26:19,851 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 216 SyntacticMatches, 11 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 289 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380 [2022-11-22 01:26:19,852 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 52 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 52 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:19,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [52 Valid, 33 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:26:19,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2022-11-22 01:26:19,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 204. [2022-11-22 01:26:19,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 204 states, 203 states have (on average 1.0738916256157636) internal successors, (218), 203 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:19,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 218 transitions. [2022-11-22 01:26:19,862 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 218 transitions. Word has length 80 [2022-11-22 01:26:19,862 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:19,862 INFO L495 AbstractCegarLoop]: Abstraction has 204 states and 218 transitions. [2022-11-22 01:26:19,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.4) internal successors, (44), 10 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:19,863 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 218 transitions. [2022-11-22 01:26:19,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-22 01:26:19,864 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:19,864 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1] [2022-11-22 01:26:19,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:20,070 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-22 01:26:20,070 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:20,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:20,071 INFO L85 PathProgramCache]: Analyzing trace with hash -1920178794, now seen corresponding path program 2 times [2022-11-22 01:26:20,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:20,071 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838236067] [2022-11-22 01:26:20,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:20,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:20,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:20,288 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 198 proven. 111 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-22 01:26:20,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:20,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838236067] [2022-11-22 01:26:20,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838236067] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:20,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [79243136] [2022-11-22 01:26:20,289 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:26:20,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:20,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:20,291 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:20,315 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-22 01:26:20,387 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-11-22 01:26:20,387 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:26:20,388 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 14 conjunts are in the unsatisfiable core [2022-11-22 01:26:20,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:20,466 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 198 proven. 111 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-22 01:26:20,467 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:20,630 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 198 proven. 111 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2022-11-22 01:26:20,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [79243136] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:20,631 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1757565422] [2022-11-22 01:26:20,633 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-22 01:26:20,633 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:20,633 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:20,633 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:20,634 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:20,868 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:21,284 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '4830#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 11) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-22 01:26:21,285 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:26:21,285 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:21,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 12 [2022-11-22 01:26:21,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581717645] [2022-11-22 01:26:21,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:26:21,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-22 01:26:21,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:21,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-22 01:26:21,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2022-11-22 01:26:21,287 INFO L87 Difference]: Start difference. First operand 204 states and 218 transitions. Second operand has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:21,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:21,393 INFO L93 Difference]: Finished difference Result 280 states and 297 transitions. [2022-11-22 01:26:21,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-22 01:26:21,393 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 80 [2022-11-22 01:26:21,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:21,394 INFO L225 Difference]: With dead ends: 280 [2022-11-22 01:26:21,394 INFO L226 Difference]: Without dead ends: 149 [2022-11-22 01:26:21,395 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 211 SyntacticMatches, 22 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=108, Invalid=354, Unknown=0, NotChecked=0, Total=462 [2022-11-22 01:26:21,395 INFO L413 NwaCegarLoop]: 7 mSDtfsCounter, 85 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:21,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 43 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:26:21,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2022-11-22 01:26:21,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 141. [2022-11-22 01:26:21,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 140 states have (on average 1.0642857142857143) internal successors, (149), 140 states have internal predecessors, (149), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:21,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 149 transitions. [2022-11-22 01:26:21,402 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 149 transitions. Word has length 80 [2022-11-22 01:26:21,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:21,403 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 149 transitions. [2022-11-22 01:26:21,403 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 6.0) internal successors, (72), 12 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:21,403 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 149 transitions. [2022-11-22 01:26:21,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-22 01:26:21,404 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:21,404 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 2, 1, 1, 1, 1, 1] [2022-11-22 01:26:21,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:21,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2022-11-22 01:26:21,610 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:21,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:21,610 INFO L85 PathProgramCache]: Analyzing trace with hash 370127304, now seen corresponding path program 3 times [2022-11-22 01:26:21,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:21,610 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [528771907] [2022-11-22 01:26:21,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:21,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:21,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:21,824 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:26:21,824 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:21,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [528771907] [2022-11-22 01:26:21,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [528771907] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:21,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1600773100] [2022-11-22 01:26:21,825 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:26:21,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:21,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:21,826 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:21,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-22 01:26:21,888 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 01:26:21,888 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:26:21,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-22 01:26:21,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:22,007 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:26:22,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:22,311 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-22 01:26:22,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1600773100] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:22,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [341115595] [2022-11-22 01:26:22,313 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-22 01:26:22,313 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:22,314 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:22,314 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:22,314 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:22,540 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:22,983 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '5830#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 11) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-22 01:26:22,983 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:26:22,983 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:22,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2022-11-22 01:26:22,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530026744] [2022-11-22 01:26:22,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:26:22,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-11-22 01:26:22,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:22,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-11-22 01:26:22,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 01:26:22,986 INFO L87 Difference]: Start difference. First operand 141 states and 149 transitions. Second operand has 24 states, 23 states have (on average 6.956521739130435) internal successors, (160), 23 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:23,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:23,094 INFO L93 Difference]: Finished difference Result 230 states and 249 transitions. [2022-11-22 01:26:23,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2022-11-22 01:26:23,095 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 6.956521739130435) internal successors, (160), 23 states have internal predecessors, (160), 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 80 [2022-11-22 01:26:23,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:23,096 INFO L225 Difference]: With dead ends: 230 [2022-11-22 01:26:23,096 INFO L226 Difference]: Without dead ends: 229 [2022-11-22 01:26:23,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 249 GetRequests, 206 SyntacticMatches, 11 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 730 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=315, Invalid=807, Unknown=0, NotChecked=0, Total=1122 [2022-11-22 01:26:23,097 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 67 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:23,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 149 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:26:23,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2022-11-22 01:26:23,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2022-11-22 01:26:23,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 229 states, 228 states have (on average 1.0394736842105263) internal successors, (237), 228 states have internal predecessors, (237), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:23,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 237 transitions. [2022-11-22 01:26:23,107 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 237 transitions. Word has length 80 [2022-11-22 01:26:23,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:23,108 INFO L495 AbstractCegarLoop]: Abstraction has 229 states and 237 transitions. [2022-11-22 01:26:23,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 6.956521739130435) internal successors, (160), 23 states have internal predecessors, (160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:23,108 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 237 transitions. [2022-11-22 01:26:23,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2022-11-22 01:26:23,109 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:23,109 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 22, 22, 22, 22, 3, 2, 2, 2, 1, 1] [2022-11-22 01:26:23,119 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:23,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:23,315 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:23,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:23,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1762463361, now seen corresponding path program 4 times [2022-11-22 01:26:23,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:23,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727530675] [2022-11-22 01:26:23,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:23,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:23,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:24,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 0 proven. 1755 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:26:24,112 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:24,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727530675] [2022-11-22 01:26:24,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727530675] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:24,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226280222] [2022-11-22 01:26:24,113 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2022-11-22 01:26:24,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:24,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:24,115 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:24,139 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-22 01:26:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:24,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 24 conjunts are in the unsatisfiable core [2022-11-22 01:26:24,208 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:24,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 0 proven. 1755 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:26:24,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:25,600 INFO L134 CoverageAnalysis]: Checked inductivity of 1757 backedges. 0 proven. 1755 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:26:25,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226280222] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:25,601 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1831042687] [2022-11-22 01:26:25,602 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-22 01:26:25,602 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:25,603 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:25,603 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:25,603 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:25,815 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:26,874 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '7425#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 11) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-22 01:26:26,874 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:26:26,875 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:26,875 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2022-11-22 01:26:26,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308852733] [2022-11-22 01:26:26,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:26:26,876 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2022-11-22 01:26:26,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:26,877 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2022-11-22 01:26:26,878 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1167, Invalid=2139, Unknown=0, NotChecked=0, Total=3306 [2022-11-22 01:26:26,879 INFO L87 Difference]: Start difference. First operand 229 states and 237 transitions. Second operand has 48 states, 47 states have (on average 7.148936170212766) internal successors, (336), 47 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:27,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:27,100 INFO L93 Difference]: Finished difference Result 410 states and 441 transitions. [2022-11-22 01:26:27,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2022-11-22 01:26:27,101 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 47 states have (on average 7.148936170212766) internal successors, (336), 47 states have internal predecessors, (336), 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 168 [2022-11-22 01:26:27,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:27,102 INFO L225 Difference]: With dead ends: 410 [2022-11-22 01:26:27,102 INFO L226 Difference]: Without dead ends: 409 [2022-11-22 01:26:27,104 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 525 GetRequests, 446 SyntacticMatches, 23 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2362 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=1167, Invalid=2139, Unknown=0, NotChecked=0, Total=3306 [2022-11-22 01:26:27,105 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 161 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:27,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 281 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:26:27,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-11-22 01:26:27,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 409. [2022-11-22 01:26:27,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 409 states, 408 states have (on average 1.0220588235294117) internal successors, (417), 408 states have internal predecessors, (417), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 409 states and 417 transitions. [2022-11-22 01:26:27,121 INFO L78 Accepts]: Start accepts. Automaton has 409 states and 417 transitions. Word has length 168 [2022-11-22 01:26:27,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:27,121 INFO L495 AbstractCegarLoop]: Abstraction has 409 states and 417 transitions. [2022-11-22 01:26:27,122 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 47 states have (on average 7.148936170212766) internal successors, (336), 47 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 417 transitions. [2022-11-22 01:26:27,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2022-11-22 01:26:27,125 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:27,126 INFO L195 NwaCegarLoop]: trace histogram [47, 47, 47, 46, 46, 46, 46, 6, 5, 5, 5, 1, 1] [2022-11-22 01:26:27,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:27,331 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2022-11-22 01:26:27,331 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:27,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:27,332 INFO L85 PathProgramCache]: Analyzing trace with hash -1756515192, now seen corresponding path program 5 times [2022-11-22 01:26:27,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:27,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916548451] [2022-11-22 01:26:27,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:27,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:27,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:30,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7709 backedges. 0 proven. 7704 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 01:26:30,422 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:30,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916548451] [2022-11-22 01:26:30,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916548451] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:30,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1804629634] [2022-11-22 01:26:30,423 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-22 01:26:30,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:30,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:30,425 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:30,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-22 01:26:30,627 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 47 check-sat command(s) [2022-11-22 01:26:30,627 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:26:30,630 INFO L263 TraceCheckSpWp]: Trace formula consists of 653 conjuncts, 48 conjunts are in the unsatisfiable core [2022-11-22 01:26:30,635 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:31,172 INFO L134 CoverageAnalysis]: Checked inductivity of 7709 backedges. 0 proven. 7704 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 01:26:31,172 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-22 01:26:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 7709 backedges. 0 proven. 7704 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-11-22 01:26:34,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1804629634] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-22 01:26:34,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [618654308] [2022-11-22 01:26:34,742 INFO L159 IcfgInterpreter]: Started Sifa with 12 locations of interest [2022-11-22 01:26:34,742 INFO L166 IcfgInterpreter]: Building call graph [2022-11-22 01:26:34,742 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-22 01:26:34,743 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-22 01:26:34,743 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-22 01:26:34,930 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-22 01:26:37,644 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '10568#(and (<= 2 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~j~0#1| 11) (<= 0 |ULTIMATE.start_main_~i~0#1|) (< 2147483646 |ULTIMATE.start_main_~c~0#1|))' at error location [2022-11-22 01:26:37,644 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-11-22 01:26:37,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-22 01:26:37,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2022-11-22 01:26:37,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019781975] [2022-11-22 01:26:37,645 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-22 01:26:37,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2022-11-22 01:26:37,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:37,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2022-11-22 01:26:37,652 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4599, Invalid=6531, Unknown=0, NotChecked=0, Total=11130 [2022-11-22 01:26:37,652 INFO L87 Difference]: Start difference. First operand 409 states and 417 transitions. Second operand has 96 states, 95 states have (on average 7.326315789473684) internal successors, (696), 95 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:38,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:38,330 INFO L93 Difference]: Finished difference Result 766 states and 821 transitions. [2022-11-22 01:26:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2022-11-22 01:26:38,331 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 95 states have (on average 7.326315789473684) internal successors, (696), 95 states have internal predecessors, (696), 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 348 [2022-11-22 01:26:38,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:38,335 INFO L225 Difference]: With dead ends: 766 [2022-11-22 01:26:38,335 INFO L226 Difference]: Without dead ends: 765 [2022-11-22 01:26:38,338 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1089 GetRequests, 938 SyntacticMatches, 47 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8218 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=4599, Invalid=6531, Unknown=0, NotChecked=0, Total=11130 [2022-11-22 01:26:38,340 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 402 mSDsluCounter, 545 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 554 SdHoareTripleChecker+Invalid, 275 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:38,341 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 554 Invalid, 275 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 01:26:38,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 765 states. [2022-11-22 01:26:38,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 765 to 765. [2022-11-22 01:26:38,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 765 states, 764 states have (on average 1.0117801047120418) internal successors, (773), 764 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:38,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 765 states and 773 transitions. [2022-11-22 01:26:38,369 INFO L78 Accepts]: Start accepts. Automaton has 765 states and 773 transitions. Word has length 348 [2022-11-22 01:26:38,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:38,369 INFO L495 AbstractCegarLoop]: Abstraction has 765 states and 773 transitions. [2022-11-22 01:26:38,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 95 states have (on average 7.326315789473684) internal successors, (696), 95 states have internal predecessors, (696), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:38,370 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 773 transitions. [2022-11-22 01:26:38,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 705 [2022-11-22 01:26:38,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:26:38,389 INFO L195 NwaCegarLoop]: trace histogram [95, 95, 95, 94, 94, 94, 94, 11, 10, 10, 10, 1, 1] [2022-11-22 01:26:38,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:38,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2022-11-22 01:26:38,595 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-22 01:26:38,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:26:38,595 INFO L85 PathProgramCache]: Analyzing trace with hash 855922431, now seen corresponding path program 6 times [2022-11-22 01:26:38,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:26:38,595 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855071074] [2022-11-22 01:26:38,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:26:38,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:26:38,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:26:48,469 INFO L134 CoverageAnalysis]: Checked inductivity of 32113 backedges. 0 proven. 32103 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-11-22 01:26:48,470 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:26:48,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855071074] [2022-11-22 01:26:48,470 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1855071074] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-22 01:26:48,470 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1214772726] [2022-11-22 01:26:48,470 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-11-22 01:26:48,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-22 01:26:48,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:26:48,475 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-22 01:26:48,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-22 01:26:48,714 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-11-22 01:26:48,715 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-22 01:26:48,719 INFO L263 TraceCheckSpWp]: Trace formula consists of 1317 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-22 01:26:48,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-22 01:26:50,272 INFO L134 CoverageAnalysis]: Checked inductivity of 32113 backedges. 29445 proven. 0 refuted. 0 times theorem prover too weak. 2668 trivial. 0 not checked. [2022-11-22 01:26:50,273 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-22 01:26:50,273 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1214772726] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:26:50,273 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-22 01:26:50,273 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [95] total 107 [2022-11-22 01:26:50,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [998680191] [2022-11-22 01:26:50,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:26:50,274 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2022-11-22 01:26:50,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:26:50,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2022-11-22 01:26:50,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2022-11-22 01:26:50,278 INFO L87 Difference]: Start difference. First operand 765 states and 773 transitions. Second operand has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:50,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:26:50,390 INFO L93 Difference]: Finished difference Result 765 states and 773 transitions. [2022-11-22 01:26:50,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-11-22 01:26:50,391 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 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 704 [2022-11-22 01:26:50,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:26:50,392 INFO L225 Difference]: With dead ends: 765 [2022-11-22 01:26:50,392 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:26:50,396 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 798 GetRequests, 692 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1034 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=4733, Invalid=6823, Unknown=0, NotChecked=0, Total=11556 [2022-11-22 01:26:50,397 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 119 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:26:50,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 189 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:26:50,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:26:50,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:26:50,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:50,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:26:50,398 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 704 [2022-11-22 01:26:50,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:26:50,399 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:26:50,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 9.23076923076923) internal successors, (120), 12 states have internal predecessors, (120), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 01:26:50,399 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:26:50,399 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:26:50,402 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-22 01:26:50,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-22 01:26:50,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-22 01:26:50,403 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-22 01:26:50,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-22 01:26:50,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-22 01:26:50,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-22 01:26:50,404 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-22 01:26:50,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-22 01:26:50,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2022-11-22 01:26:50,618 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:26:55,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-22 01:26:55,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:26:55,210 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point L17(line 17) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point L15(line 15) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point L15-1(line 15) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 13) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 14) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 15) no Hoare annotation was computed. [2022-11-22 01:26:55,211 INFO L899 garLoopResultBuilder]: For program point L14(line 14) no Hoare annotation was computed. [2022-11-22 01:26:55,212 INFO L899 garLoopResultBuilder]: For program point L14-1(line 14) no Hoare annotation was computed. [2022-11-22 01:26:55,214 INFO L895 garLoopResultBuilder]: At program point L12-2(lines 12 16) the Hoare annotation is: (let ((.cse19 (<= |ULTIMATE.start_main_~c~0#1| 9)) (.cse21 (<= |ULTIMATE.start_main_~c~0#1| 18)) (.cse26 (<= |ULTIMATE.start_main_~i~0#1| 0)) (.cse29 (< |ULTIMATE.start_main_~c~0#1| 2147483635)) (.cse27 (< |ULTIMATE.start_main_~c~0#1| 2147483617)) (.cse31 (<= |ULTIMATE.start_main_~c~0#1| 45)) (.cse14 (<= 7 |ULTIMATE.start_main_~j~0#1|)) (.cse4 (<= 2 |ULTIMATE.start_main_~i~0#1|)) (.cse23 (<= |ULTIMATE.start_main_~c~0#1| 36)) (.cse16 (<= 5 |ULTIMATE.start_main_~j~0#1|)) (.cse28 (< |ULTIMATE.start_main_~c~0#1| 2147483608)) (.cse30 (<= |ULTIMATE.start_main_~c~0#1| 27)) (.cse11 (<= 8 |ULTIMATE.start_main_~i~0#1|)) (.cse6 (<= 5 |ULTIMATE.start_main_~i~0#1|)) (.cse12 (<= 7 |ULTIMATE.start_main_~i~0#1|)) (.cse24 (< |ULTIMATE.start_main_~c~0#1| 2147483626)) (.cse9 (<= 11 |ULTIMATE.start_main_~j~0#1|)) (.cse22 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (.cse13 (<= 8 |ULTIMATE.start_main_~j~0#1|)) (.cse15 (<= 6 |ULTIMATE.start_main_~i~0#1|)) (.cse18 (<= 12 |ULTIMATE.start_main_~j~0#1|)) (.cse7 (<= 6 |ULTIMATE.start_main_~j~0#1|)) (.cse8 (<= 9 |ULTIMATE.start_main_~i~0#1|)) (.cse17 (<= 4 |ULTIMATE.start_main_~j~0#1|)) (.cse10 (<= 9 |ULTIMATE.start_main_~j~0#1|)) (.cse25 (<= 3 |ULTIMATE.start_main_~i~0#1|)) (.cse0 (<= 3 |ULTIMATE.start_main_~j~0#1|)) (.cse20 (<= 1 |ULTIMATE.start_main_~i~0#1|)) (.cse1 (<= 10 |ULTIMATE.start_main_~j~0#1|)) (.cse2 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse3 (<= 0 |ULTIMATE.start_main_~i~0#1|)) (.cse5 (<= |ULTIMATE.start_main_~i~0#1| 9))) (or (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 25) .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 7) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483602) .cse6 .cse2 .cse3 .cse7 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483643) .cse2 .cse3 .cse8 .cse5 .cse9) (and .cse0 .cse10 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 6) .cse5) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483634) .cse5 .cse11 .cse9) (and .cse0 .cse12 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483624) .cse3 .cse5) (and .cse13 .cse0 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483622) .cse5) (and .cse0 .cse14 (< |ULTIMATE.start_main_~c~0#1| 2147483612) .cse2 .cse3 .cse5 .cse15) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483610) .cse16 .cse2 .cse3 .cse5 .cse15) (and (< |ULTIMATE.start_main_~c~0#1| 2147483616) .cse0 .cse2 .cse3 .cse5 .cse15 .cse9) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 19) .cse2 .cse3 .cse4 .cse5 .cse17) (and .cse0 .cse10 (< |ULTIMATE.start_main_~c~0#1| 2147483614) .cse2 .cse3 .cse5 .cse15) (and .cse0 .cse2 .cse3 .cse18 .cse19 .cse5) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 26) .cse4 .cse5 .cse9) (and (<= |ULTIMATE.start_main_~c~0#1| 21) .cse0 .cse2 .cse3 .cse7 .cse4 .cse5) (and .cse2 .cse3 .cse7 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 3)) (and .cse0 .cse20 .cse2 .cse3 .cse18 .cse21 .cse5) (and .cse0 .cse14 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 40) .cse5 .cse22) (and .cse0 .cse23 .cse2 .cse5 .cse22) (and .cse0 .cse14 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483630) .cse5 .cse11) (and .cse0 .cse12 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483625) .cse5 .cse9) (and .cse0 .cse2 .cse5 .cse24 .cse11) (and .cse0 .cse14 .cse6 .cse2 .cse3 .cse5 (< |ULTIMATE.start_main_~c~0#1| 2147483603)) (and .cse0 .cse6 .cse2 .cse3 .cse5 .cse17 (<= |ULTIMATE.start_main_~c~0#1| 46)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483607) .cse6 .cse2 .cse3 .cse5 .cse9) (and .cse0 .cse14 .cse2 .cse25 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 31) .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 37) .cse2 .cse3 .cse5 .cse17 .cse22) (and (<= |ULTIMATE.start_main_~c~0#1| 43) .cse0 .cse1 .cse2 .cse3 .cse5 .cse22) (and .cse26 (<= |ULTIMATE.start_main_~c~0#1| 1) .cse2 .cse3 .cse17) (and .cse0 .cse20 .cse2 .cse19 .cse5) (and .cse0 .cse16 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483628) .cse5 .cse11) (and .cse0 .cse10 (<= |ULTIMATE.start_main_~c~0#1| 24) .cse2 .cse3 .cse4 .cse5) (and .cse13 .cse0 .cse6 .cse2 .cse3 .cse5 (< |ULTIMATE.start_main_~c~0#1| 2147483604)) (and .cse0 .cse16 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 20) .cse4 .cse5) (and .cse0 .cse2 .cse3 .cse18 .cse5 .cse15 .cse27) (and .cse0 .cse1 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 34)) (and .cse0 .cse1 .cse2 .cse3 .cse8 (< |ULTIMATE.start_main_~c~0#1| 2147483642) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483627) .cse2 .cse3 .cse5 .cse17 .cse11) (and .cse0 .cse2 .cse4 .cse21 .cse5) (and .cse0 .cse20 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 17) .cse9) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 38) .cse16 .cse2 .cse3 .cse5 .cse22) (and .cse0 .cse6 .cse2 .cse3 .cse18 .cse28 .cse5) (and .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483609) .cse5 .cse17 .cse15) (and .cse26 .cse16 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 2)) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483619) .cse16 .cse2 .cse3 .cse5) (and .cse0 .cse26 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 0) .cse3) (and .cse0 .cse20 .cse14 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 13)) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483611) .cse2 .cse3 .cse7 .cse5 .cse15) (and .cse0 .cse12 (< |ULTIMATE.start_main_~c~0#1| 2147483620) .cse2 .cse3 .cse7 .cse5) (and .cse29 .cse0 .cse2 .cse3 .cse18 .cse5 .cse11) (and .cse0 .cse12 .cse14 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483621) .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483615) .cse1 .cse2 .cse3 .cse5 .cse15) (and .cse0 .cse6 (< |ULTIMATE.start_main_~c~0#1| 2147483601) .cse16 .cse2 .cse3 .cse5) (and .cse0 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483633) .cse3 .cse5 .cse11) (and .cse29 .cse0 .cse2 .cse8 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 5) .cse13 .cse0 .cse2 .cse3 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 42) .cse0 .cse10 .cse2 .cse3 .cse5 .cse22) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483641) .cse10 .cse2 .cse3 .cse8 .cse5) (and .cse0 .cse30 .cse2 .cse3 .cse18 .cse4 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483629) .cse2 .cse3 .cse7 .cse5 .cse11) (and .cse13 .cse0 .cse20 (<= |ULTIMATE.start_main_~c~0#1| 14) .cse2 .cse3 .cse5) (and .cse0 .cse20 (<= |ULTIMATE.start_main_~c~0#1| 10) .cse2 .cse3 .cse5 .cse17) (and .cse0 .cse20 .cse16 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 11) .cse3 .cse5) (and (<= |ULTIMATE.start_main_~c~0#1| 4) .cse0 .cse14 .cse2 .cse3 .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 39) .cse2 .cse3 .cse7 .cse5 .cse22) (and .cse0 .cse12 .cse2 .cse3 .cse5 .cse17 (< |ULTIMATE.start_main_~c~0#1| 2147483618)) (and .cse0 .cse20 .cse2 .cse3 .cse7 (<= |ULTIMATE.start_main_~c~0#1| 12) .cse5) (and .cse0 .cse16 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 29)) (and .cse0 .cse6 .cse31 .cse2 .cse5) (and .cse13 .cse0 .cse2 .cse3 .cse5 .cse11 (< |ULTIMATE.start_main_~c~0#1| 2147483631)) (and .cse0 .cse2 .cse25 .cse3 .cse7 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 30)) (and .cse0 .cse2 .cse3 .cse8 .cse5 .cse17 (< |ULTIMATE.start_main_~c~0#1| 2147483636)) (and .cse13 .cse0 .cse2 .cse25 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 32)) (and .cse0 .cse12 .cse2 .cse5 .cse27) (and .cse0 .cse14 (<= |ULTIMATE.start_main_~c~0#1| 22) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse12 .cse10 (< |ULTIMATE.start_main_~c~0#1| 2147483623) .cse2 .cse3 .cse5) (and .cse0 .cse31 .cse2 .cse3 .cse18 .cse5 .cse22) (and .cse0 .cse14 (< |ULTIMATE.start_main_~c~0#1| 2147483639) .cse2 .cse3 .cse8 .cse5) (and .cse13 .cse0 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 23) .cse3 .cse4 .cse5) (and .cse0 .cse23 .cse2 .cse25 .cse3 .cse18 .cse5) (and .cse0 .cse10 .cse6 (< |ULTIMATE.start_main_~c~0#1| 2147483605) .cse2 .cse3 .cse5) (and .cse0 .cse20 .cse10 (<= |ULTIMATE.start_main_~c~0#1| 15) .cse2 .cse3 .cse5) (and .cse0 .cse2 (<= |ULTIMATE.start_main_~c~0#1| 8) .cse3 .cse5 .cse9) (and .cse0 .cse16 .cse2 .cse3 .cse8 (< |ULTIMATE.start_main_~c~0#1| 2147483637) .cse5) (and .cse0 .cse2 .cse28 .cse5 .cse15) (and .cse0 .cse30 .cse2 .cse25 .cse5) (and .cse0 .cse10 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483632) .cse5 .cse11) (and .cse0 .cse6 .cse1 .cse2 (< |ULTIMATE.start_main_~c~0#1| 2147483606) .cse3 .cse5) (and .cse0 .cse12 .cse2 .cse3 .cse18 .cse5 .cse24) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 35) .cse2 .cse25 .cse3 .cse5 .cse9) (and .cse0 .cse2 .cse3 (<= |ULTIMATE.start_main_~c~0#1| 44) .cse5 .cse22 .cse9) (and .cse13 .cse0 .cse2 .cse3 .cse5 .cse22 (<= |ULTIMATE.start_main_~c~0#1| 41)) (and .cse13 .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483640) .cse2 .cse3 .cse8 .cse5) (and .cse13 .cse0 .cse2 .cse3 (< |ULTIMATE.start_main_~c~0#1| 2147483613) .cse5 .cse15) (and .cse0 .cse2 .cse3 .cse18 (< |ULTIMATE.start_main_~c~0#1| 2147483644) .cse8 .cse5) (and .cse0 (< |ULTIMATE.start_main_~c~0#1| 2147483638) .cse2 .cse3 .cse7 .cse8 .cse5) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 28) .cse2 .cse25 .cse3 .cse5 .cse17) (and .cse0 (<= |ULTIMATE.start_main_~c~0#1| 33) .cse10 .cse2 .cse25 .cse3 .cse5) (and .cse0 .cse20 .cse1 .cse2 .cse3 .cse5 (<= |ULTIMATE.start_main_~c~0#1| 16)))) [2022-11-22 01:26:55,215 INFO L899 garLoopResultBuilder]: For program point L12-3(lines 12 16) no Hoare annotation was computed. [2022-11-22 01:26:55,215 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 17) no Hoare annotation was computed. [2022-11-22 01:26:55,215 INFO L895 garLoopResultBuilder]: At program point L10-2(lines 10 18) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~c~0#1|)) (.cse1 (<= 12 |ULTIMATE.start_main_~j~0#1|))) (or (and .cse0 .cse1 (<= 2 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 18)) (and (<= 5 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~c~0#1| 45) .cse0 .cse1) (and (<= |ULTIMATE.start_main_~i~0#1| 0) .cse0 (<= |ULTIMATE.start_main_~c~0#1| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|)) (and (<= 10 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483644)) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (<= |ULTIMATE.start_main_~c~0#1| 9)) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483608) (<= 6 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 36) .cse0 .cse1 (<= 4 |ULTIMATE.start_main_~i~0#1|)) (and (<= |ULTIMATE.start_main_~c~0#1| 27) .cse0 (<= 3 |ULTIMATE.start_main_~i~0#1|) .cse1) (and .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483626) (<= 8 |ULTIMATE.start_main_~i~0#1|)) (and (<= 7 |ULTIMATE.start_main_~i~0#1|) .cse0 .cse1 (< |ULTIMATE.start_main_~c~0#1| 2147483617)) (and (< |ULTIMATE.start_main_~c~0#1| 2147483635) .cse0 .cse1 (<= 9 |ULTIMATE.start_main_~i~0#1|)))) [2022-11-22 01:26:55,219 INFO L444 BasicCegarLoop]: Path program histogram: [6, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:26:55,221 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:26:55,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:26:55 BoogieIcfgContainer [2022-11-22 01:26:55,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:26:55,304 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:26:55,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:26:55,304 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:26:55,305 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:26:13" (3/4) ... [2022-11-22 01:26:55,308 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:26:55,319 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-22 01:26:55,320 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-22 01:26:55,320 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-22 01:26:55,361 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:26:55,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:26:55,362 INFO L158 Benchmark]: Toolchain (without parser) took 42180.83ms. Allocated memory was 138.4MB in the beginning and 685.8MB in the end (delta: 547.4MB). Free memory was 96.9MB in the beginning and 425.3MB in the end (delta: -328.4MB). Peak memory consumption was 221.8MB. Max. memory is 16.1GB. [2022-11-22 01:26:55,362 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:26:55,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 193.61ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 87.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:26:55,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.10ms. Allocated memory is still 138.4MB. Free memory was 87.7MB in the beginning and 86.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:26:55,363 INFO L158 Benchmark]: Boogie Preprocessor took 19.95ms. Allocated memory is still 138.4MB. Free memory was 86.3MB in the beginning and 85.4MB in the end (delta: 898.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:26:55,364 INFO L158 Benchmark]: RCFGBuilder took 282.24ms. Allocated memory is still 138.4MB. Free memory was 85.2MB in the beginning and 75.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-22 01:26:55,365 INFO L158 Benchmark]: TraceAbstraction took 41586.91ms. Allocated memory was 138.4MB in the beginning and 685.8MB in the end (delta: 547.4MB). Free memory was 74.6MB in the beginning and 428.4MB in the end (delta: -353.8MB). Peak memory consumption was 383.0MB. Max. memory is 16.1GB. [2022-11-22 01:26:55,365 INFO L158 Benchmark]: Witness Printer took 57.79ms. Allocated memory is still 685.8MB. Free memory was 428.4MB in the beginning and 425.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:26:55,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 138.4MB. Free memory is still 112.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 193.61ms. Allocated memory is still 138.4MB. Free memory was 96.8MB in the beginning and 87.7MB in the end (delta: 9.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.10ms. Allocated memory is still 138.4MB. Free memory was 87.7MB in the beginning and 86.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 19.95ms. Allocated memory is still 138.4MB. Free memory was 86.3MB in the beginning and 85.4MB in the end (delta: 898.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.24ms. Allocated memory is still 138.4MB. Free memory was 85.2MB in the beginning and 75.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 41586.91ms. Allocated memory was 138.4MB in the beginning and 685.8MB in the end (delta: 547.4MB). Free memory was 74.6MB in the beginning and 428.4MB in the end (delta: -353.8MB). Peak memory consumption was 383.0MB. Max. memory is 16.1GB. * Witness Printer took 57.79ms. Allocated memory is still 685.8MB. Free memory was 428.4MB in the beginning and 425.3MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 14]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 15]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: 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, 20 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 41.4s, OverallIterations: 18, TraceHistogramMax: 95, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 4.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 990 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 990 mSDsluCounter, 1604 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1348 mSDsCounter, 173 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 928 IncrementalHoareTripleChecker+Invalid, 1101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 173 mSolverCounterUnsat, 256 mSDtfsCounter, 928 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3405 GetRequests, 2886 SyntacticMatches, 121 SemanticMatches, 398 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13417 ImplicationChecksByTransitivity, 15.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=765occurred in iteration=17, InterpolantAutomatonStates: 262, 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, 18 MinimizatonAttempts, 66 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 113 NumberOfFragments, 2249 HoareAnnotationTreeSize, 2 FomulaSimplifications, 633 FormulaSimplificationTreeSizeReduction, 0.9s HoareSimplificationTime, 2 FomulaSimplificationsInter, 1647 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 23.2s InterpolantComputationTime, 3253 NumberOfCodeBlocks, 3253 NumberOfCodeBlocksAsserted, 87 NumberOfCheckSat, 4022 ConstructedInterpolants, 0 QuantifiedInterpolants, 11330 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2986 ConjunctsInSsa, 145 ConjunctsInUnsatCore, 34 InterpolantComputations, 11 PerfectInterpolantSequences, 34362/96841 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: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((((3 <= j && c <= 25) && 10 <= j) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9) || (((((3 <= j && 10 <= j) && 0 <= c) && 0 <= i) && c <= 7) && i <= 9)) || ((((((3 <= j && c < 2147483602) && 5 <= i) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9)) || ((((((3 <= j && c < 2147483643) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9) && 11 <= j)) || (((((3 <= j && 9 <= j) && 0 <= c) && 0 <= i) && c <= 6) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c < 2147483634) && i <= 9) && 8 <= i) && 11 <= j)) || ((((((3 <= j && 7 <= i) && 10 <= j) && 0 <= c) && c < 2147483624) && 0 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 7 <= i) && 0 <= c) && 0 <= i) && c < 2147483622) && i <= 9)) || ((((((3 <= j && 7 <= j) && c < 2147483612) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((3 <= j && c < 2147483610) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((c < 2147483616 && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i) && 11 <= j)) || ((((((3 <= j && c <= 19) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && 9 <= j) && c < 2147483614) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || (((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && c <= 9) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c <= 26) && 2 <= i) && i <= 9) && 11 <= j)) || ((((((c <= 21 && 3 <= j) && 0 <= c) && 0 <= i) && 6 <= j) && 2 <= i) && i <= 9)) || ((((0 <= c && 0 <= i) && 6 <= j) && i <= 9) && c <= 3)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && c <= 18) && i <= 9)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 0 <= i) && c <= 40) && i <= 9) && 4 <= i)) || ((((3 <= j && c <= 36) && 0 <= c) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 0 <= i) && c < 2147483630) && i <= 9) && 8 <= i)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && c < 2147483625) && i <= 9) && 11 <= j)) || ((((3 <= j && 0 <= c) && i <= 9) && c < 2147483626) && 8 <= i)) || ((((((3 <= j && 7 <= j) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c < 2147483603)) || ((((((3 <= j && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && c <= 46)) || ((((((3 <= j && c < 2147483607) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 7 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && c <= 31) && i <= 9)) || ((((((3 <= j && c <= 37) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && 4 <= i)) || ((((((c <= 43 && 3 <= j) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((i <= 0 && c <= 1) && 0 <= c) && 0 <= i) && 4 <= j)) || ((((3 <= j && 1 <= i) && 0 <= c) && c <= 9) && i <= 9)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && c < 2147483628) && i <= 9) && 8 <= i)) || ((((((3 <= j && 9 <= j) && c <= 24) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 5 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c < 2147483604)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && c <= 20) && 2 <= i) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 6 <= i) && c < 2147483617)) || ((((((3 <= j && 10 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 34)) || ((((((3 <= j && 10 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && c < 2147483642) && i <= 9)) || ((((((3 <= j && c < 2147483627) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && 8 <= i)) || ((((3 <= j && 0 <= c) && 2 <= i) && c <= 18) && i <= 9)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && i <= 9) && c <= 17) && 11 <= j)) || ((((((3 <= j && c <= 38) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((((3 <= j && 5 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && c < 2147483608) && i <= 9)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c < 2147483609) && i <= 9) && 4 <= j) && 6 <= i)) || ((((i <= 0 && 5 <= j) && 0 <= c) && 0 <= i) && c <= 2)) || ((((((3 <= j && 7 <= i) && c < 2147483619) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((3 <= j && i <= 0) && 0 <= c) && c <= 0) && 0 <= i)) || ((((((3 <= j && 1 <= i) && 7 <= j) && 0 <= c) && 0 <= i) && i <= 9) && c <= 13)) || ((((((3 <= j && c < 2147483611) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 6 <= i)) || ((((((3 <= j && 7 <= i) && c < 2147483620) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9)) || ((((((c < 2147483635 && 3 <= j) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 8 <= i)) || ((((((3 <= j && 7 <= i) && 7 <= j) && 0 <= c) && 0 <= i) && c < 2147483621) && i <= 9)) || ((((((3 <= j && c < 2147483615) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 6 <= i)) || ((((((3 <= j && 5 <= i) && c < 2147483601) && 5 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 10 <= j) && 0 <= c) && c < 2147483633) && 0 <= i) && i <= 9) && 8 <= i)) || ((((c < 2147483635 && 3 <= j) && 0 <= c) && 9 <= i) && i <= 9)) || (((((c <= 5 && 8 <= j) && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((c <= 42 && 3 <= j) && 9 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i)) || ((((((3 <= j && c < 2147483641) && 9 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((3 <= j && c <= 27) && 0 <= c) && 0 <= i) && 12 <= j) && 2 <= i) && i <= 9)) || ((((((3 <= j && c < 2147483629) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 8 <= i)) || ((((((8 <= j && 3 <= j) && 1 <= i) && c <= 14) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && c <= 10) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && 1 <= i) && 5 <= j) && 0 <= c) && c <= 11) && 0 <= i) && i <= 9)) || (((((c <= 4 && 3 <= j) && 7 <= j) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && c <= 39) && 0 <= c) && 0 <= i) && 6 <= j) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= j) && c < 2147483618)) || ((((((3 <= j && 1 <= i) && 0 <= c) && 0 <= i) && 6 <= j) && c <= 12) && i <= 9)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 29)) || ((((3 <= j && 5 <= i) && c <= 45) && 0 <= c) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 8 <= i) && c < 2147483631)) || ((((((3 <= j && 0 <= c) && 3 <= i) && 0 <= i) && 6 <= j) && i <= 9) && c <= 30)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9) && 4 <= j) && c < 2147483636)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && c <= 32)) || ((((3 <= j && 7 <= i) && 0 <= c) && i <= 9) && c < 2147483617)) || ((((((3 <= j && 7 <= j) && c <= 22) && 0 <= c) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((3 <= j && 7 <= i) && 9 <= j) && c < 2147483623) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && c <= 45) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && 4 <= i)) || ((((((3 <= j && 7 <= j) && c < 2147483639) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && c <= 23) && 0 <= i) && 2 <= i) && i <= 9)) || ((((((3 <= j && c <= 36) && 0 <= c) && 3 <= i) && 0 <= i) && 12 <= j) && i <= 9)) || ((((((3 <= j && 9 <= j) && 5 <= i) && c < 2147483605) && 0 <= c) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && 9 <= j) && c <= 15) && 0 <= c) && 0 <= i) && i <= 9)) || (((((3 <= j && 0 <= c) && c <= 8) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 5 <= j) && 0 <= c) && 0 <= i) && 9 <= i) && c < 2147483637) && i <= 9)) || ((((3 <= j && 0 <= c) && c < 2147483608) && i <= 9) && 6 <= i)) || ((((3 <= j && c <= 27) && 0 <= c) && 3 <= i) && i <= 9)) || ((((((3 <= j && 9 <= j) && 0 <= c) && 0 <= i) && c < 2147483632) && i <= 9) && 8 <= i)) || ((((((3 <= j && 5 <= i) && 10 <= j) && 0 <= c) && c < 2147483606) && 0 <= i) && i <= 9)) || ((((((3 <= j && 7 <= i) && 0 <= c) && 0 <= i) && 12 <= j) && i <= 9) && c < 2147483626)) || ((((((3 <= j && c <= 35) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && 11 <= j)) || ((((((3 <= j && 0 <= c) && 0 <= i) && c <= 44) && i <= 9) && 4 <= i) && 11 <= j)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && i <= 9) && 4 <= i) && c <= 41)) || ((((((8 <= j && 3 <= j) && c < 2147483640) && 0 <= c) && 0 <= i) && 9 <= i) && i <= 9)) || ((((((8 <= j && 3 <= j) && 0 <= c) && 0 <= i) && c < 2147483613) && i <= 9) && 6 <= i)) || ((((((3 <= j && 0 <= c) && 0 <= i) && 12 <= j) && c < 2147483644) && 9 <= i) && i <= 9)) || ((((((3 <= j && c < 2147483638) && 0 <= c) && 0 <= i) && 6 <= j) && 9 <= i) && i <= 9)) || ((((((3 <= j && c <= 28) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9) && 4 <= j)) || ((((((3 <= j && c <= 33) && 9 <= j) && 0 <= c) && 3 <= i) && 0 <= i) && i <= 9)) || ((((((3 <= j && 1 <= i) && 10 <= j) && 0 <= c) && 0 <= i) && i <= 9) && c <= 16) - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: ((((((((((((0 <= c && 12 <= j) && 2 <= i) && c <= 18) || (((5 <= i && c <= 45) && 0 <= c) && 12 <= j)) || (((i <= 0 && 0 <= c) && c <= 0) && 0 <= i)) || (((10 <= i && 0 <= c) && 12 <= j) && c < 2147483644)) || (((1 <= i && 0 <= c) && 12 <= j) && c <= 9)) || (((0 <= c && 12 <= j) && c < 2147483608) && 6 <= i)) || (((c <= 36 && 0 <= c) && 12 <= j) && 4 <= i)) || (((c <= 27 && 0 <= c) && 3 <= i) && 12 <= j)) || (((0 <= c && 12 <= j) && c < 2147483626) && 8 <= i)) || (((7 <= i && 0 <= c) && 12 <= j) && c < 2147483617)) || (((c < 2147483635 && 0 <= c) && 12 <= j) && 9 <= i) RESULT: Ultimate proved your program to be correct! [2022-11-22 01:26:55,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e856371b-c882-40a9-b4b7-9ac6f544edd1/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE