./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_reverse_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_reverse_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cce6de3c48d80c64796d0d47269c605ab237c0f177720038579dfa7efd061db0 --- 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 [2022-11-21 09:14:12,430 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-21 09:14:12,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-21 09:14:12,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-21 09:14:12,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-21 09:14:12,492 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-21 09:14:12,496 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-21 09:14:12,501 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-21 09:14:12,504 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-21 09:14:12,511 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-21 09:14:12,513 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-21 09:14:12,517 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-21 09:14:12,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-21 09:14:12,523 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-21 09:14:12,525 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-21 09:14:12,527 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-21 09:14:12,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-21 09:14:12,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-21 09:14:12,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-21 09:14:12,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-21 09:14:12,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-21 09:14:12,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-21 09:14:12,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-21 09:14:12,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-21 09:14:12,563 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-21 09:14:12,565 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-21 09:14:12,566 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-21 09:14:12,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-21 09:14:12,570 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-21 09:14:12,571 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-21 09:14:12,571 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-21 09:14:12,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-21 09:14:12,575 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-21 09:14:12,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-21 09:14:12,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-21 09:14:12,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-21 09:14:12,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-21 09:14:12,582 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-21 09:14:12,594 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-21 09:14:12,595 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-21 09:14:12,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-21 09:14:12,597 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Overflow-32bit-Automizer_Default.epf [2022-11-21 09:14:12,652 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-21 09:14:12,652 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-21 09:14:12,653 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-21 09:14:12,653 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-21 09:14:12,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-21 09:14:12,655 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-21 09:14:12,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-21 09:14:12,657 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-21 09:14:12,657 INFO L138 SettingsManager]: * Use SBE=true [2022-11-21 09:14:12,657 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-21 09:14:12,659 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-21 09:14:12,659 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-21 09:14:12,659 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-21 09:14:12,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-21 09:14:12,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-21 09:14:12,660 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-21 09:14:12,660 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-21 09:14:12,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-21 09:14:12,661 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-21 09:14:12,661 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-21 09:14:12,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-21 09:14:12,662 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-21 09:14:12,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-21 09:14:12,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-21 09:14:12,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-21 09:14:12,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-21 09:14:12,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:14:12,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-21 09:14:12,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-21 09:14:12,664 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-21 09:14:12,664 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-21 09:14:12,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-21 09:14:12,665 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-21 09:14:12,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-21 09:14:12,666 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-21 09:14:12,666 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_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cce6de3c48d80c64796d0d47269c605ab237c0f177720038579dfa7efd061db0 [2022-11-21 09:14:13,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-21 09:14:13,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-21 09:14:13,081 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-21 09:14:13,082 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-21 09:14:13,084 INFO L275 PluginConnector]: CDTParser initialized [2022-11-21 09:14:13,086 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/array-examples/standard_reverse_ground.i [2022-11-21 09:14:16,964 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-21 09:14:17,275 INFO L351 CDTParser]: Found 1 translation units. [2022-11-21 09:14:17,276 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/sv-benchmarks/c/array-examples/standard_reverse_ground.i [2022-11-21 09:14:17,283 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/data/bf985dd29/c0eec97dca794ba5b2f5b4439a347373/FLAGe04dfd8f3 [2022-11-21 09:14:17,302 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/data/bf985dd29/c0eec97dca794ba5b2f5b4439a347373 [2022-11-21 09:14:17,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-21 09:14:17,307 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-21 09:14:17,308 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-21 09:14:17,309 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-21 09:14:17,313 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-21 09:14:17,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36b7f6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17, skipping insertion in model container [2022-11-21 09:14:17,316 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,325 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-21 09:14:17,343 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-21 09:14:17,531 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/sv-benchmarks/c/array-examples/standard_reverse_ground.i[816,829] [2022-11-21 09:14:17,550 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:14:17,562 INFO L203 MainTranslator]: Completed pre-run [2022-11-21 09:14:17,579 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/sv-benchmarks/c/array-examples/standard_reverse_ground.i[816,829] [2022-11-21 09:14:17,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-21 09:14:17,627 INFO L208 MainTranslator]: Completed translation [2022-11-21 09:14:17,628 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17 WrapperNode [2022-11-21 09:14:17,628 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-21 09:14:17,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-21 09:14:17,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-21 09:14:17,630 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-21 09:14:17,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,651 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,678 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2022-11-21 09:14:17,679 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-21 09:14:17,679 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-21 09:14:17,680 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-21 09:14:17,680 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-21 09:14:17,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,709 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-21 09:14:17,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-21 09:14:17,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-21 09:14:17,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-21 09:14:17,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (1/1) ... [2022-11-21 09:14:17,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-21 09:14:17,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:14:17,762 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-21 09:14:17,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-21 09:14:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-21 09:14:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-21 09:14:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-21 09:14:17,805 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-21 09:14:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-21 09:14:17,806 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-21 09:14:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-21 09:14:17,806 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-21 09:14:17,900 INFO L235 CfgBuilder]: Building ICFG [2022-11-21 09:14:17,903 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-21 09:14:18,246 INFO L276 CfgBuilder]: Performing block encoding [2022-11-21 09:14:18,254 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-21 09:14:18,254 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-11-21 09:14:18,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:14:18 BoogieIcfgContainer [2022-11-21 09:14:18,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-21 09:14:18,273 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-21 09:14:18,273 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-21 09:14:18,277 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-21 09:14:18,277 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:14:17" (1/3) ... [2022-11-21 09:14:18,278 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:14:18, skipping insertion in model container [2022-11-21 09:14:18,278 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:14:17" (2/3) ... [2022-11-21 09:14:18,279 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@41c931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:14:18, skipping insertion in model container [2022-11-21 09:14:18,279 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:14:18" (3/3) ... [2022-11-21 09:14:18,281 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_reverse_ground.i [2022-11-21 09:14:18,337 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-21 09:14:18,337 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations. [2022-11-21 09:14:18,415 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-21 09:14:18,423 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=PETRI_NET, 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;@321ab06e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-21 09:14:18,424 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-11-21 09:14:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 30 states have (on average 1.7) internal successors, (51), 44 states have internal predecessors, (51), 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) [2022-11-21 09:14:18,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-21 09:14:18,437 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:18,438 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-21 09:14:18,438 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:18,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:18,446 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2022-11-21 09:14:18,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:18,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627511465] [2022-11-21 09:14:18,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:18,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:18,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:18,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:18,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:18,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627511465] [2022-11-21 09:14:18,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627511465] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:18,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:18,825 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:18,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336374727] [2022-11-21 09:14:18,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:18,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:14:18,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:18,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:14:18,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:14:18,868 INFO L87 Difference]: Start difference. First operand has 45 states, 30 states have (on average 1.7) internal successors, (51), 44 states have internal predecessors, (51), 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 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2022-11-21 09:14:19,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:19,070 INFO L93 Difference]: Finished difference Result 98 states and 116 transitions. [2022-11-21 09:14:19,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:14:19,078 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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 [2022-11-21 09:14:19,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:19,090 INFO L225 Difference]: With dead ends: 98 [2022-11-21 09:14:19,091 INFO L226 Difference]: Without dead ends: 54 [2022-11-21 09:14:19,095 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:14:19,105 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 12 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:19,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 100 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 09:14:19,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-21 09:14:19,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 49. [2022-11-21 09:14:19,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 35 states have (on average 1.457142857142857) internal successors, (51), 48 states have internal predecessors, (51), 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) [2022-11-21 09:14:19,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2022-11-21 09:14:19,157 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 5 [2022-11-21 09:14:19,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:19,158 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2022-11-21 09:14:19,158 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 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) [2022-11-21 09:14:19,159 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2022-11-21 09:14:19,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-21 09:14:19,159 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:19,160 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2022-11-21 09:14:19,160 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-21 09:14:19,161 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:19,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:19,162 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2022-11-21 09:14:19,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:19,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540522390] [2022-11-21 09:14:19,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:19,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:19,273 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-21 09:14:19,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:19,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540522390] [2022-11-21 09:14:19,274 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1540522390] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:19,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:19,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:19,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434119372] [2022-11-21 09:14:19,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:19,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:14:19,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:19,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:14:19,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:14:19,279 INFO L87 Difference]: Start difference. First operand 49 states and 51 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) [2022-11-21 09:14:19,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:19,344 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2022-11-21 09:14:19,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:14:19,345 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 [2022-11-21 09:14:19,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:19,346 INFO L225 Difference]: With dead ends: 49 [2022-11-21 09:14:19,346 INFO L226 Difference]: Without dead ends: 46 [2022-11-21 09:14:19,347 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:14:19,349 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 16 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:19,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 69 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:19,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-21 09:14:19,356 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2022-11-21 09:14:19,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 44 states have internal predecessors, (47), 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) [2022-11-21 09:14:19,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 47 transitions. [2022-11-21 09:14:19,358 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 47 transitions. Word has length 9 [2022-11-21 09:14:19,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:19,359 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 47 transitions. [2022-11-21 09:14:19,359 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) [2022-11-21 09:14:19,360 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 47 transitions. [2022-11-21 09:14:19,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-21 09:14:19,360 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:19,361 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2022-11-21 09:14:19,361 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-21 09:14:19,362 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:19,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:19,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2022-11-21 09:14:19,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:19,364 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996338602] [2022-11-21 09:14:19,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:19,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:19,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:19,528 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:19,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:19,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [996338602] [2022-11-21 09:14:19,530 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [996338602] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:14:19,530 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1440519108] [2022-11-21 09:14:19,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:19,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:14:19,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:14:19,535 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:14:19,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-21 09:14:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:19,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-21 09:14:19,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:14:19,733 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:19,733 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-21 09:14:19,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1440519108] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:19,734 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-21 09:14:19,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-21 09:14:19,735 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307913792] [2022-11-21 09:14:19,735 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:19,736 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-21 09:14:19,736 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:19,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-21 09:14:19,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-21 09:14:19,738 INFO L87 Difference]: Start difference. First operand 45 states and 47 transitions. Second operand has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2022-11-21 09:14:19,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:19,827 INFO L93 Difference]: Finished difference Result 51 states and 53 transitions. [2022-11-21 09:14:19,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-21 09:14:19,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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 10 [2022-11-21 09:14:19,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:19,829 INFO L225 Difference]: With dead ends: 51 [2022-11-21 09:14:19,829 INFO L226 Difference]: Without dead ends: 50 [2022-11-21 09:14:19,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-21 09:14:19,832 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 49 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:19,833 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 60 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 09:14:19,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-11-21 09:14:19,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 41. [2022-11-21 09:14:19,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.3870967741935485) internal successors, (43), 40 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) [2022-11-21 09:14:19,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 43 transitions. [2022-11-21 09:14:19,841 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 43 transitions. Word has length 10 [2022-11-21 09:14:19,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:19,842 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 43 transitions. [2022-11-21 09:14:19,842 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.0) internal successors, (10), 6 states have internal predecessors, (10), 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) [2022-11-21 09:14:19,842 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 43 transitions. [2022-11-21 09:14:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-21 09:14:19,843 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:19,843 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:19,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-21 09:14:20,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:14:20,060 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:20,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:20,065 INFO L85 PathProgramCache]: Analyzing trace with hash 2043024110, now seen corresponding path program 1 times [2022-11-21 09:14:20,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:20,066 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238511322] [2022-11-21 09:14:20,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:20,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:20,265 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:20,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:20,269 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238511322] [2022-11-21 09:14:20,269 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [238511322] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:14:20,272 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1364988128] [2022-11-21 09:14:20,274 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:20,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:14:20,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:14:20,277 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:14:20,291 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-21 09:14:20,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:20,383 INFO L263 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-21 09:14:20,385 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:14:20,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:20,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:14:20,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-21 09:14:20,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1364988128] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 09:14:20,503 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 09:14:20,503 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-11-21 09:14:20,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330223887] [2022-11-21 09:14:20,505 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 09:14:20,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-21 09:14:20,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:20,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-21 09:14:20,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-11-21 09:14:20,510 INFO L87 Difference]: Start difference. First operand 41 states and 43 transitions. Second operand has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 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) [2022-11-21 09:14:20,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:20,621 INFO L93 Difference]: Finished difference Result 89 states and 94 transitions. [2022-11-21 09:14:20,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-21 09:14:20,622 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 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 15 [2022-11-21 09:14:20,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:20,623 INFO L225 Difference]: With dead ends: 89 [2022-11-21 09:14:20,624 INFO L226 Difference]: Without dead ends: 55 [2022-11-21 09:14:20,625 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-21 09:14:20,626 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 54 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 105 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:20,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 105 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-21 09:14:20,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-21 09:14:20,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2022-11-21 09:14:20,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 48 states have internal predecessors, (51), 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) [2022-11-21 09:14:20,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 51 transitions. [2022-11-21 09:14:20,635 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 51 transitions. Word has length 15 [2022-11-21 09:14:20,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:20,635 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 51 transitions. [2022-11-21 09:14:20,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.6) internal successors, (26), 10 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) [2022-11-21 09:14:20,636 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 51 transitions. [2022-11-21 09:14:20,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-21 09:14:20,637 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:20,637 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:20,650 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-21 09:14:20,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:14:20,844 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:20,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:20,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2133180442, now seen corresponding path program 2 times [2022-11-21 09:14:20,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:20,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289354460] [2022-11-21 09:14:20,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:20,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:21,039 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 09:14:21,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:21,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289354460] [2022-11-21 09:14:21,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289354460] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:21,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:21,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:21,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655504364] [2022-11-21 09:14:21,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:21,041 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:14:21,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:21,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:14:21,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:14:21,043 INFO L87 Difference]: Start difference. First operand 49 states and 51 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:21,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:21,102 INFO L93 Difference]: Finished difference Result 55 states and 57 transitions. [2022-11-21 09:14:21,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:14:21,103 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 23 [2022-11-21 09:14:21,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:21,104 INFO L225 Difference]: With dead ends: 55 [2022-11-21 09:14:21,104 INFO L226 Difference]: Without dead ends: 53 [2022-11-21 09:14:21,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:14:21,106 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 6 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:21,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 75 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:21,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-11-21 09:14:21,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-11-21 09:14:21,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 52 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) [2022-11-21 09:14:21,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 55 transitions. [2022-11-21 09:14:21,114 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 55 transitions. Word has length 23 [2022-11-21 09:14:21,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:21,114 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 55 transitions. [2022-11-21 09:14:21,115 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:21,115 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 55 transitions. [2022-11-21 09:14:21,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-21 09:14:21,116 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:21,116 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:21,117 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-21 09:14:21,117 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:21,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:21,119 INFO L85 PathProgramCache]: Analyzing trace with hash -1242364956, now seen corresponding path program 1 times [2022-11-21 09:14:21,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:21,119 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940226094] [2022-11-21 09:14:21,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:21,120 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:21,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-21 09:14:21,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:21,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1940226094] [2022-11-21 09:14:21,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1940226094] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:14:21,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1774392124] [2022-11-21 09:14:21,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:21,331 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:14:21,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:14:21,333 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:14:21,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-21 09:14:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:21,448 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-21 09:14:21,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:14:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 09:14:21,605 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:14:21,777 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-21 09:14:21,777 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1774392124] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 09:14:21,778 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 09:14:21,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 19 [2022-11-21 09:14:21,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445898927] [2022-11-21 09:14:21,778 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 09:14:21,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-11-21 09:14:21,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:21,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-11-21 09:14:21,785 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=256, Unknown=0, NotChecked=0, Total=342 [2022-11-21 09:14:21,786 INFO L87 Difference]: Start difference. First operand 53 states and 55 transitions. Second operand has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 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) [2022-11-21 09:14:22,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:22,116 INFO L93 Difference]: Finished difference Result 117 states and 127 transitions. [2022-11-21 09:14:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-21 09:14:22,118 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2022-11-21 09:14:22,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:22,120 INFO L225 Difference]: With dead ends: 117 [2022-11-21 09:14:22,120 INFO L226 Difference]: Without dead ends: 79 [2022-11-21 09:14:22,121 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=188, Invalid=514, Unknown=0, NotChecked=0, Total=702 [2022-11-21 09:14:22,124 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 128 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:22,125 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 152 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-21 09:14:22,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2022-11-21 09:14:22,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 73. [2022-11-21 09:14:22,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 63 states have (on average 1.1904761904761905) internal successors, (75), 72 states have internal predecessors, (75), 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) [2022-11-21 09:14:22,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 75 transitions. [2022-11-21 09:14:22,151 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 75 transitions. Word has length 26 [2022-11-21 09:14:22,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:22,152 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 75 transitions. [2022-11-21 09:14:22,152 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 2.9473684210526314) internal successors, (56), 19 states have internal predecessors, (56), 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) [2022-11-21 09:14:22,152 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 75 transitions. [2022-11-21 09:14:22,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-11-21 09:14:22,154 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:22,154 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:22,165 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-21 09:14:22,354 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-21 09:14:22,355 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:22,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:22,356 INFO L85 PathProgramCache]: Analyzing trace with hash -839543346, now seen corresponding path program 1 times [2022-11-21 09:14:22,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:22,356 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2093615868] [2022-11-21 09:14:22,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:22,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:22,475 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2022-11-21 09:14:22,475 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:22,475 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2093615868] [2022-11-21 09:14:22,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2093615868] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:22,477 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:22,478 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:22,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699522099] [2022-11-21 09:14:22,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:22,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:14:22,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:22,480 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:14:22,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:14:22,480 INFO L87 Difference]: Start difference. First operand 73 states and 75 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:22,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:22,528 INFO L93 Difference]: Finished difference Result 73 states and 75 transitions. [2022-11-21 09:14:22,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:14:22,529 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 47 [2022-11-21 09:14:22,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:22,531 INFO L225 Difference]: With dead ends: 73 [2022-11-21 09:14:22,531 INFO L226 Difference]: Without dead ends: 72 [2022-11-21 09:14:22,531 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:14:22,532 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 10 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:22,533 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 65 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:22,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-21 09:14:22,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-21 09:14:22,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 63 states have (on average 1.1746031746031746) internal successors, (74), 71 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) [2022-11-21 09:14:22,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 74 transitions. [2022-11-21 09:14:22,541 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 74 transitions. Word has length 47 [2022-11-21 09:14:22,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:22,542 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 74 transitions. [2022-11-21 09:14:22,542 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:22,543 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 74 transitions. [2022-11-21 09:14:22,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-11-21 09:14:22,544 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:22,544 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:22,545 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-21 09:14:22,545 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:22,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:22,546 INFO L85 PathProgramCache]: Analyzing trace with hash -256039878, now seen corresponding path program 1 times [2022-11-21 09:14:22,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:22,546 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478751003] [2022-11-21 09:14:22,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:22,547 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:22,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:22,634 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2022-11-21 09:14:22,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:22,634 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478751003] [2022-11-21 09:14:22,635 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478751003] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:22,635 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:22,635 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:22,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1274463129] [2022-11-21 09:14:22,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:22,636 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:14:22,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:22,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:14:22,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:14:22,637 INFO L87 Difference]: Start difference. First operand 72 states and 74 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:22,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:22,684 INFO L93 Difference]: Finished difference Result 72 states and 74 transitions. [2022-11-21 09:14:22,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:14:22,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 48 [2022-11-21 09:14:22,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:22,686 INFO L225 Difference]: With dead ends: 72 [2022-11-21 09:14:22,686 INFO L226 Difference]: Without dead ends: 69 [2022-11-21 09:14:22,686 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:14:22,687 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 24 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:22,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 47 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:22,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-11-21 09:14:22,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 66. [2022-11-21 09:14:22,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 60 states have (on average 1.1333333333333333) internal successors, (68), 65 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) [2022-11-21 09:14:22,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 68 transitions. [2022-11-21 09:14:22,695 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 68 transitions. Word has length 48 [2022-11-21 09:14:22,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:22,695 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 68 transitions. [2022-11-21 09:14:22,696 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:22,696 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 68 transitions. [2022-11-21 09:14:22,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-11-21 09:14:22,697 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:22,698 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:22,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-21 09:14:22,698 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:22,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:22,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1222054864, now seen corresponding path program 1 times [2022-11-21 09:14:22,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:22,700 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [322354591] [2022-11-21 09:14:22,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:22,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-21 09:14:22,777 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:22,777 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [322354591] [2022-11-21 09:14:22,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [322354591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:22,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:22,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:22,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1073243899] [2022-11-21 09:14:22,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:22,779 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:22,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:22,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:22,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:22,780 INFO L87 Difference]: Start difference. First operand 66 states and 68 transitions. Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:22,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:22,814 INFO L93 Difference]: Finished difference Result 82 states and 84 transitions. [2022-11-21 09:14:22,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:22,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 52 [2022-11-21 09:14:22,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:22,816 INFO L225 Difference]: With dead ends: 82 [2022-11-21 09:14:22,816 INFO L226 Difference]: Without dead ends: 78 [2022-11-21 09:14:22,817 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 [2022-11-21 09:14:22,817 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 10 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:22,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 49 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:22,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-11-21 09:14:22,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 71. [2022-11-21 09:14:22,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 65 states have (on average 1.123076923076923) internal successors, (73), 70 states have internal predecessors, (73), 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) [2022-11-21 09:14:22,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 73 transitions. [2022-11-21 09:14:22,825 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 73 transitions. Word has length 52 [2022-11-21 09:14:22,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:22,826 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 73 transitions. [2022-11-21 09:14:22,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:22,826 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 73 transitions. [2022-11-21 09:14:22,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-11-21 09:14:22,827 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:22,828 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:22,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-21 09:14:22,828 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:22,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:22,829 INFO L85 PathProgramCache]: Analyzing trace with hash 1384743822, now seen corresponding path program 1 times [2022-11-21 09:14:22,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:22,830 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728214863] [2022-11-21 09:14:22,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:22,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-21 09:14:22,945 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:22,945 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728214863] [2022-11-21 09:14:22,945 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728214863] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:22,945 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:22,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:22,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121187182] [2022-11-21 09:14:22,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:22,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:14:22,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:22,947 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:14:22,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:14:22,948 INFO L87 Difference]: Start difference. First operand 71 states and 73 transitions. Second operand has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-21 09:14:22,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:22,991 INFO L93 Difference]: Finished difference Result 78 states and 80 transitions. [2022-11-21 09:14:22,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:14:22,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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 59 [2022-11-21 09:14:22,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:22,993 INFO L225 Difference]: With dead ends: 78 [2022-11-21 09:14:22,993 INFO L226 Difference]: Without dead ends: 76 [2022-11-21 09:14:22,994 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:14:22,995 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 3 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:22,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 70 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:22,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-21 09:14:23,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-21 09:14:23,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 70 states have (on average 1.1142857142857143) internal successors, (78), 75 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:23,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 78 transitions. [2022-11-21 09:14:23,007 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 78 transitions. Word has length 59 [2022-11-21 09:14:23,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:23,011 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 78 transitions. [2022-11-21 09:14:23,011 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.0) internal successors, (27), 4 states have internal predecessors, (27), 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) [2022-11-21 09:14:23,011 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 78 transitions. [2022-11-21 09:14:23,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-11-21 09:14:23,013 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:23,014 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:23,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-21 09:14:23,020 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:23,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:23,020 INFO L85 PathProgramCache]: Analyzing trace with hash -257571361, now seen corresponding path program 1 times [2022-11-21 09:14:23,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:23,021 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [392774992] [2022-11-21 09:14:23,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:23,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:23,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:23,172 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2022-11-21 09:14:23,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:23,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [392774992] [2022-11-21 09:14:23,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [392774992] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-21 09:14:23,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1184621703] [2022-11-21 09:14:23,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:23,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:14:23,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 [2022-11-21 09:14:23,175 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-21 09:14:23,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-21 09:14:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:23,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 16 conjunts are in the unsatisfiable core [2022-11-21 09:14:23,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-21 09:14:23,628 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 09:14:23,628 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-21 09:14:24,157 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-21 09:14:24,157 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1184621703] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-21 09:14:24,158 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-21 09:14:24,158 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 17, 17] total 35 [2022-11-21 09:14:24,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753182390] [2022-11-21 09:14:24,158 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-21 09:14:24,159 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2022-11-21 09:14:24,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:24,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2022-11-21 09:14:24,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=278, Invalid=912, Unknown=0, NotChecked=0, Total=1190 [2022-11-21 09:14:24,160 INFO L87 Difference]: Start difference. First operand 76 states and 78 transitions. Second operand has 35 states, 35 states have (on average 3.2) internal successors, (112), 35 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:24,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:24,886 INFO L93 Difference]: Finished difference Result 165 states and 180 transitions. [2022-11-21 09:14:24,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-11-21 09:14:24,887 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 3.2) internal successors, (112), 35 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 62 [2022-11-21 09:14:24,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:24,888 INFO L225 Difference]: With dead ends: 165 [2022-11-21 09:14:24,888 INFO L226 Difference]: Without dead ends: 120 [2022-11-21 09:14:24,890 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 385 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=633, Invalid=1817, Unknown=0, NotChecked=0, Total=2450 [2022-11-21 09:14:24,890 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 156 mSDsluCounter, 167 mSDsCounter, 0 mSdLazyCounter, 403 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 424 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:24,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [156 Valid, 185 Invalid, 424 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 403 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-21 09:14:24,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-11-21 09:14:24,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 112. [2022-11-21 09:14:24,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 106 states have (on average 1.0849056603773586) internal successors, (115), 111 states have internal predecessors, (115), 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) [2022-11-21 09:14:24,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 115 transitions. [2022-11-21 09:14:24,900 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 115 transitions. Word has length 62 [2022-11-21 09:14:24,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:24,900 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 115 transitions. [2022-11-21 09:14:24,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 3.2) internal successors, (112), 35 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:24,901 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 115 transitions. [2022-11-21 09:14:24,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-21 09:14:24,902 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:24,902 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:24,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-21 09:14:25,110 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-21 09:14:25,111 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:25,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:25,111 INFO L85 PathProgramCache]: Analyzing trace with hash -1904895431, now seen corresponding path program 1 times [2022-11-21 09:14:25,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:25,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [340381789] [2022-11-21 09:14:25,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:25,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:25,254 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-11-21 09:14:25,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:25,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [340381789] [2022-11-21 09:14:25,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [340381789] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:25,255 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:25,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-21 09:14:25,258 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742773741] [2022-11-21 09:14:25,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:25,259 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-21 09:14:25,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:25,259 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-21 09:14:25,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-21 09:14:25,260 INFO L87 Difference]: Start difference. First operand 112 states and 115 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 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) [2022-11-21 09:14:25,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:25,285 INFO L93 Difference]: Finished difference Result 112 states and 115 transitions. [2022-11-21 09:14:25,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-21 09:14:25,285 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 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) Word has length 95 [2022-11-21 09:14:25,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:25,286 INFO L225 Difference]: With dead ends: 112 [2022-11-21 09:14:25,287 INFO L226 Difference]: Without dead ends: 110 [2022-11-21 09:14:25,287 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 [2022-11-21 09:14:25,288 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 11 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:25,288 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 40 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:25,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2022-11-21 09:14:25,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2022-11-21 09:14:25,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 106 states have (on average 1.0566037735849056) internal successors, (112), 109 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:25,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 112 transitions. [2022-11-21 09:14:25,298 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 112 transitions. Word has length 95 [2022-11-21 09:14:25,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:25,298 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 112 transitions. [2022-11-21 09:14:25,298 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 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) [2022-11-21 09:14:25,299 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 112 transitions. [2022-11-21 09:14:25,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2022-11-21 09:14:25,314 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:25,315 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:25,315 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-21 09:14:25,315 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:25,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:25,316 INFO L85 PathProgramCache]: Analyzing trace with hash 141586047, now seen corresponding path program 1 times [2022-11-21 09:14:25,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:25,317 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1104372066] [2022-11-21 09:14:25,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:25,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:25,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:25,487 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 446 trivial. 0 not checked. [2022-11-21 09:14:25,487 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:25,487 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1104372066] [2022-11-21 09:14:25,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1104372066] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:25,488 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:25,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:25,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912566216] [2022-11-21 09:14:25,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:25,489 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:14:25,489 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:25,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:14:25,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:14:25,491 INFO L87 Difference]: Start difference. First operand 110 states and 112 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-21 09:14:25,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:25,525 INFO L93 Difference]: Finished difference Result 110 states and 112 transitions. [2022-11-21 09:14:25,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:14:25,526 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 101 [2022-11-21 09:14:25,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:25,527 INFO L225 Difference]: With dead ends: 110 [2022-11-21 09:14:25,527 INFO L226 Difference]: Without dead ends: 109 [2022-11-21 09:14:25,527 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:14:25,529 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 7 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:25,529 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 55 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:25,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2022-11-21 09:14:25,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2022-11-21 09:14:25,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 106 states have (on average 1.0471698113207548) internal successors, (111), 108 states have internal predecessors, (111), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-21 09:14:25,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 111 transitions. [2022-11-21 09:14:25,540 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 111 transitions. Word has length 101 [2022-11-21 09:14:25,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:25,541 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 111 transitions. [2022-11-21 09:14:25,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-21 09:14:25,541 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 111 transitions. [2022-11-21 09:14:25,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-11-21 09:14:25,545 INFO L187 NwaCegarLoop]: Found error trace [2022-11-21 09:14:25,545 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:25,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-21 09:14:25,546 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] === [2022-11-21 09:14:25,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-21 09:14:25,547 INFO L85 PathProgramCache]: Analyzing trace with hash 94200268, now seen corresponding path program 1 times [2022-11-21 09:14:25,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-21 09:14:25,547 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973044838] [2022-11-21 09:14:25,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-21 09:14:25,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-21 09:14:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-21 09:14:25,692 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2022-11-21 09:14:25,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-21 09:14:25,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973044838] [2022-11-21 09:14:25,693 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973044838] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-21 09:14:25,693 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-21 09:14:25,693 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-21 09:14:25,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629060988] [2022-11-21 09:14:25,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-21 09:14:25,694 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-21 09:14:25,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-21 09:14:25,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-21 09:14:25,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-21 09:14:25,695 INFO L87 Difference]: Start difference. First operand 109 states and 111 transitions. Second operand has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-21 09:14:25,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-21 09:14:25,724 INFO L93 Difference]: Finished difference Result 109 states and 111 transitions. [2022-11-21 09:14:25,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-21 09:14:25,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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 102 [2022-11-21 09:14:25,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-21 09:14:25,725 INFO L225 Difference]: With dead ends: 109 [2022-11-21 09:14:25,725 INFO L226 Difference]: Without dead ends: 0 [2022-11-21 09:14:25,729 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-21 09:14:25,730 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 3 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-21 09:14:25,730 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 55 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-21 09:14:25,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-21 09:14:25,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-21 09:14:25,732 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) [2022-11-21 09:14:25,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-21 09:14:25,732 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 102 [2022-11-21 09:14:25,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-21 09:14:25,732 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-21 09:14:25,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.333333333333334) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-11-21 09:14:25,733 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-21 09:14:25,733 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-21 09:14:25,737 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining) [2022-11-21 09:14:25,738 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining) [2022-11-21 09:14:25,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining) [2022-11-21 09:14:25,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining) [2022-11-21 09:14:25,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining) [2022-11-21 09:14:25,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining) [2022-11-21 09:14:25,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining) [2022-11-21 09:14:25,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining) [2022-11-21 09:14:25,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining) [2022-11-21 09:14:25,740 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining) [2022-11-21 09:14:25,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining) [2022-11-21 09:14:25,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining) [2022-11-21 09:14:25,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining) [2022-11-21 09:14:25,741 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining) [2022-11-21 09:14:25,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-21 09:14:25,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-21 09:14:25,793 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-21 09:14:25,793 INFO L899 garLoopResultBuilder]: For program point L27-2(lines 27 29) no Hoare annotation was computed. [2022-11-21 09:14:25,793 INFO L899 garLoopResultBuilder]: For program point L27-3(line 27) no Hoare annotation was computed. [2022-11-21 09:14:25,794 INFO L899 garLoopResultBuilder]: For program point L27-4(line 27) no Hoare annotation was computed. [2022-11-21 09:14:25,794 INFO L895 garLoopResultBuilder]: At program point L27-5(lines 27 29) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147383647))) [2022-11-21 09:14:25,794 INFO L899 garLoopResultBuilder]: For program point L23-2(lines 23 25) no Hoare annotation was computed. [2022-11-21 09:14:25,795 INFO L899 garLoopResultBuilder]: For program point L27-6(lines 27 29) no Hoare annotation was computed. [2022-11-21 09:14:25,795 INFO L899 garLoopResultBuilder]: For program point L23-3(line 23) no Hoare annotation was computed. [2022-11-21 09:14:25,795 INFO L899 garLoopResultBuilder]: For program point L23-4(line 23) no Hoare annotation was computed. [2022-11-21 09:14:25,795 INFO L895 garLoopResultBuilder]: At program point L23-5(lines 23 25) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_main_~i~0#1| 2147383647)) [2022-11-21 09:14:25,795 INFO L899 garLoopResultBuilder]: For program point L23-6(lines 23 25) no Hoare annotation was computed. [2022-11-21 09:14:25,796 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-21 09:14:25,796 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2022-11-21 09:14:25,796 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-21 09:14:25,796 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2022-11-21 09:14:25,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-21 09:14:25,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-21 09:14:25,797 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-21 09:14:25,797 INFO L899 garLoopResultBuilder]: For program point L28(line 28) no Hoare annotation was computed. [2022-11-21 09:14:25,797 INFO L899 garLoopResultBuilder]: For program point L28-1(line 28) no Hoare annotation was computed. [2022-11-21 09:14:25,797 INFO L899 garLoopResultBuilder]: For program point L28-2(line 28) no Hoare annotation was computed. [2022-11-21 09:14:25,798 INFO L899 garLoopResultBuilder]: For program point L28-3(line 28) no Hoare annotation was computed. [2022-11-21 09:14:25,798 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-21 09:14:25,798 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-11-21 09:14:25,798 INFO L899 garLoopResultBuilder]: For program point L24-2(line 24) no Hoare annotation was computed. [2022-11-21 09:14:25,799 INFO L899 garLoopResultBuilder]: For program point L24-3(line 24) no Hoare annotation was computed. [2022-11-21 09:14:25,799 INFO L899 garLoopResultBuilder]: For program point L20-2(lines 20 22) no Hoare annotation was computed. [2022-11-21 09:14:25,800 INFO L899 garLoopResultBuilder]: For program point L20-3(line 20) no Hoare annotation was computed. [2022-11-21 09:14:25,800 INFO L899 garLoopResultBuilder]: For program point L20-4(line 20) no Hoare annotation was computed. [2022-11-21 09:14:25,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-21 09:14:25,800 INFO L895 garLoopResultBuilder]: At program point L20-5(lines 20 22) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-21 09:14:25,801 INFO L899 garLoopResultBuilder]: For program point L20-6(lines 20 22) no Hoare annotation was computed. [2022-11-21 09:14:25,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-21 09:14:25,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 20) no Hoare annotation was computed. [2022-11-21 09:14:25,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-21 09:14:25,802 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-21 09:14:25,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 27) no Hoare annotation was computed. [2022-11-21 09:14:25,803 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed. [2022-11-21 09:14:25,803 INFO L899 garLoopResultBuilder]: For program point L13-1(line 13) no Hoare annotation was computed. [2022-11-21 09:14:25,803 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-21 09:14:25,803 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed. [2022-11-21 09:14:25,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-21 09:14:25,804 INFO L902 garLoopResultBuilder]: At program point L30(lines 16 31) the Hoare annotation is: true [2022-11-21 09:14:25,804 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 28) no Hoare annotation was computed. [2022-11-21 09:14:25,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 23) no Hoare annotation was computed. [2022-11-21 09:14:25,810 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-21 09:14:25,813 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-21 09:14:25,833 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:14:25 BoogieIcfgContainer [2022-11-21 09:14:25,833 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-21 09:14:25,834 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-21 09:14:25,834 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-21 09:14:25,834 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-21 09:14:25,835 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:14:18" (3/4) ... [2022-11-21 09:14:25,839 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-21 09:14:25,854 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-21 09:14:25,855 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-21 09:14:25,855 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-21 09:14:25,855 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-21 09:14:25,918 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/witness.graphml [2022-11-21 09:14:25,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-21 09:14:25,919 INFO L158 Benchmark]: Toolchain (without parser) took 8612.34ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 121.4MB in the beginning and 92.2MB in the end (delta: 29.2MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-11-21 09:14:25,919 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-21 09:14:25,920 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.36ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 111.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-21 09:14:25,921 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.91ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 109.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-21 09:14:25,921 INFO L158 Benchmark]: Boogie Preprocessor took 33.50ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 108.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:14:25,923 INFO L158 Benchmark]: RCFGBuilder took 556.21ms. Allocated memory is still 151.0MB. Free memory was 108.1MB in the beginning and 114.7MB in the end (delta: -6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-21 09:14:25,923 INFO L158 Benchmark]: TraceAbstraction took 7560.35ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 113.9MB in the beginning and 94.2MB in the end (delta: 19.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2022-11-21 09:14:25,924 INFO L158 Benchmark]: Witness Printer took 84.62ms. Allocated memory is still 182.5MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-21 09:14:25,932 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 125.8MB. Free memory is still 98.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 320.36ms. Allocated memory is still 151.0MB. Free memory was 121.4MB in the beginning and 111.6MB in the end (delta: 9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.91ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 109.5MB in the end (delta: 1.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.50ms. Allocated memory is still 151.0MB. Free memory was 109.5MB in the beginning and 108.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 556.21ms. Allocated memory is still 151.0MB. Free memory was 108.1MB in the beginning and 114.7MB in the end (delta: -6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 7560.35ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 113.9MB in the beginning and 94.2MB in the end (delta: 19.7MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Witness Printer took 84.62ms. Allocated memory is still 182.5MB. Free memory was 94.2MB in the beginning and 92.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 20]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 45 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 7.4s, OverallIterations: 14, TraceHistogramMax: 15, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 489 SdHoareTripleChecker+Valid, 1.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 489 mSDsluCounter, 1127 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 774 mSDsCounter, 91 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 958 IncrementalHoareTripleChecker+Invalid, 1049 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 91 mSolverCounterUnsat, 353 mSDtfsCounter, 958 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 293 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 482 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=112occurred in iteration=11, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 45 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 26 NumberOfFragments, 22 HoareAnnotationTreeSize, 4 FomulaSimplifications, 184 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 767 NumberOfCodeBlocks, 767 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 849 ConstructedInterpolants, 0 QuantifiedInterpolants, 1257 SizeOfPredicates, 13 NumberOfNonLiveVariables, 451 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 21 InterpolantComputations, 11 PerfectInterpolantSequences, 1922/2145 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 14 specifications checked. All of them hold - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: 0 <= i + 2147383647 - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 <= i && 0 <= x + 2147383647 RESULT: Ultimate proved your program to be correct! [2022-11-21 09:14:25,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_751f5524-4452-4c5b-9a6d-1c9224949173/bin/uautomizer-vX5HgA9Q3a/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