./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --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 c1619194307da84227512f62eb582bffd66266544ce804bd80ee6a40fe157ac7 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:16:05,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:16:05,739 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 17:16:05,749 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:16:05,749 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:16:05,787 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:16:05,788 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:16:05,789 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:16:05,790 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:16:05,791 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:16:05,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:16:05,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:16:05,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:16:05,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:16:05,796 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:16:05,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:16:05,802 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:16:05,803 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:16:05,803 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:16:05,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:16:05,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:16:05,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:16:05,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:16:05,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:16:05,806 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:16:05,807 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 17:16:05,807 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 17:16:05,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:16:05,808 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:16:05,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:16:05,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:16:05,809 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:16:05,809 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:16:05,810 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:16:05,810 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:16:05,810 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:16:05,811 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:16:05,811 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:16:05,811 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:16:05,812 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:16:05,812 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:16:05,813 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:16:05,813 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:16:05,813 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:16:05,813 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1619194307da84227512f62eb582bffd66266544ce804bd80ee6a40fe157ac7 [2024-11-08 17:16:06,182 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:16:06,227 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:16:06,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:16:06,232 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:16:06,233 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:16:06,235 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/float-benchs/zonotope_3.c Unable to find full path for "g++" [2024-11-08 17:16:08,876 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:16:09,114 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:16:09,118 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/sv-benchmarks/c/float-benchs/zonotope_3.c [2024-11-08 17:16:09,131 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/data/582f64f45/11d977e8cb58482a88df27b37b0efa66/FLAG85735004c [2024-11-08 17:16:09,158 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/data/582f64f45/11d977e8cb58482a88df27b37b0efa66 [2024-11-08 17:16:09,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:16:09,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:16:09,168 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:16:09,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:16:09,178 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:16:09,179 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,180 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20cd9cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09, skipping insertion in model container [2024-11-08 17:16:09,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,216 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:16:09,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:16:09,562 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:16:09,586 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:16:09,610 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:16:09,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09 WrapperNode [2024-11-08 17:16:09,612 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:16:09,613 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:16:09,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:16:09,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:16:09,626 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,639 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,668 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67 [2024-11-08 17:16:09,672 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:16:09,673 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:16:09,674 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:16:09,675 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:16:09,695 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,695 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,697 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,711 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:16:09,711 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,711 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,722 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,723 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,725 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,727 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:16:09,729 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:16:09,729 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:16:09,729 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:16:09,731 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (1/1) ... [2024-11-08 17:16:09,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:16:09,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:16:09,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:16:09,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:16:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:16:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-08 17:16:09,814 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-08 17:16:09,814 INFO L130 BoogieDeclarations]: Found specification of procedure g [2024-11-08 17:16:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2024-11-08 17:16:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:16:09,815 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:16:09,815 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:16:09,894 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:16:09,896 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:16:10,143 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-08 17:16:10,144 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:16:10,173 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:16:10,173 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 17:16:10,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:10 BoogieIcfgContainer [2024-11-08 17:16:10,174 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:16:10,178 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:16:10,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:16:10,182 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:16:10,183 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:16:09" (1/3) ... [2024-11-08 17:16:10,185 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65101c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:10, skipping insertion in model container [2024-11-08 17:16:10,185 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:16:09" (2/3) ... [2024-11-08 17:16:10,186 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65101c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:16:10, skipping insertion in model container [2024-11-08 17:16:10,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:10" (3/3) ... [2024-11-08 17:16:10,188 INFO L112 eAbstractionObserver]: Analyzing ICFG zonotope_3.c [2024-11-08 17:16:10,208 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:16:10,208 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2024-11-08 17:16:10,302 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:16:10,312 INFO L333 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, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@5e62891c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:16:10,312 INFO L334 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2024-11-08 17:16:10,318 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 29 states have internal predecessors, (33), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:16:10,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 17:16:10,338 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:16:10,339 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:16:10,345 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:16:10,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:16:10,355 INFO L85 PathProgramCache]: Analyzing trace with hash 1716902163, now seen corresponding path program 1 times [2024-11-08 17:16:10,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:16:10,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328477320] [2024-11-08 17:16:10,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:10,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:16:10,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:10,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:16:10,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:10,707 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:16:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:10,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:16:10,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:10,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:16:10,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:10,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:16:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:10,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:16:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:10,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:16:10,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:10,780 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:16:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:10,790 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 17:16:10,791 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:16:10,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328477320] [2024-11-08 17:16:10,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328477320] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:16:10,793 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:16:10,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:16:10,796 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [786282873] [2024-11-08 17:16:10,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:16:10,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:16:10,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:16:10,832 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:16:10,833 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:16:10,836 INFO L87 Difference]: Start difference. First operand has 40 states, 27 states have (on average 1.2222222222222223) internal successors, (33), 29 states have internal predecessors, (33), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:16:10,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:16:10,861 INFO L93 Difference]: Finished difference Result 69 states and 83 transitions. [2024-11-08 17:16:10,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:16:10,863 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2024-11-08 17:16:10,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:16:10,871 INFO L225 Difference]: With dead ends: 69 [2024-11-08 17:16:10,872 INFO L226 Difference]: Without dead ends: 32 [2024-11-08 17:16:10,875 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:16:10,880 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:16:10,882 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:16:10,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2024-11-08 17:16:10,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2024-11-08 17:16:10,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 20 states have (on average 1.1) internal successors, (22), 21 states have internal predecessors, (22), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-08 17:16:10,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2024-11-08 17:16:10,947 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 47 [2024-11-08 17:16:10,950 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:16:10,951 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions. [2024-11-08 17:16:10,951 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:16:10,952 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-11-08 17:16:10,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 17:16:10,956 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:16:10,957 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:16:10,957 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:16:10,960 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:16:10,961 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:16:10,961 INFO L85 PathProgramCache]: Analyzing trace with hash -88536171, now seen corresponding path program 1 times [2024-11-08 17:16:10,962 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:16:10,962 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568136098] [2024-11-08 17:16:10,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:10,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:16:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:16:11,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:16:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:16:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,320 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:16:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,326 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:16:11,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:16:11,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,345 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:16:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:16:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,365 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-08 17:16:11,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:16:11,366 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568136098] [2024-11-08 17:16:11,366 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568136098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:16:11,366 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:16:11,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:16:11,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019358034] [2024-11-08 17:16:11,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:16:11,369 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:16:11,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:16:11,371 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:16:11,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:16:11,372 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:16:11,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:16:11,452 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2024-11-08 17:16:11,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:16:11,453 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 47 [2024-11-08 17:16:11,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:16:11,455 INFO L225 Difference]: With dead ends: 48 [2024-11-08 17:16:11,455 INFO L226 Difference]: Without dead ends: 46 [2024-11-08 17:16:11,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:16:11,458 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 1 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 94 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:16:11,459 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 94 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:16:11,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-08 17:16:11,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2024-11-08 17:16:11,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.0666666666666667) internal successors, (32), 31 states have internal predecessors, (32), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:16:11,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2024-11-08 17:16:11,474 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 47 [2024-11-08 17:16:11,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:16:11,475 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2024-11-08 17:16:11,475 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-08 17:16:11,476 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2024-11-08 17:16:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-08 17:16:11,479 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:16:11,479 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:16:11,479 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:16:11,480 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:16:11,480 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:16:11,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1895602856, now seen corresponding path program 1 times [2024-11-08 17:16:11,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:16:11,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [728222034] [2024-11-08 17:16:11,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:11,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:16:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,847 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:16:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,853 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:16:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,858 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:16:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,863 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:16:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,867 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:16:11,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:16:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:16:11,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:16:11,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 17:16:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 17:16:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,924 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:16:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,930 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:16:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:11,937 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 17:16:11,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:16:11,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [728222034] [2024-11-08 17:16:11,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [728222034] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:16:11,938 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979076753] [2024-11-08 17:16:11,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:11,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:16:11,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:16:11,941 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:16:11,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:16:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,129 INFO L255 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:16:12,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:16:12,326 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-08 17:16:12,327 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:16:12,327 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979076753] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:16:12,328 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:16:12,328 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-08 17:16:12,328 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359470948] [2024-11-08 17:16:12,329 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:16:12,329 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:16:12,329 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:16:12,331 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:16:12,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:16:12,334 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 17:16:12,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:16:12,450 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2024-11-08 17:16:12,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:16:12,451 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 73 [2024-11-08 17:16:12,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:16:12,453 INFO L225 Difference]: With dead ends: 46 [2024-11-08 17:16:12,454 INFO L226 Difference]: Without dead ends: 45 [2024-11-08 17:16:12,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:16:12,456 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 1 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:16:12,458 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 183 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:16:12,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-11-08 17:16:12,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2024-11-08 17:16:12,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 30 states have (on average 1.0333333333333334) internal successors, (31), 30 states have internal predecessors, (31), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-08 17:16:12,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2024-11-08 17:16:12,481 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 73 [2024-11-08 17:16:12,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:16:12,482 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2024-11-08 17:16:12,482 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.8) internal successors, (29), 6 states have internal predecessors, (29), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2024-11-08 17:16:12,486 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2024-11-08 17:16:12,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-08 17:16:12,491 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:16:12,492 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:16:12,520 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:16:12,692 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:16:12,693 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-08 17:16:12,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:16:12,694 INFO L85 PathProgramCache]: Analyzing trace with hash -1365853536, now seen corresponding path program 1 times [2024-11-08 17:16:12,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:16:12,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1758252697] [2024-11-08 17:16:12,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:16:12,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:16:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,852 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-08 17:16:12,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-08 17:16:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-08 17:16:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,865 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 17:16:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,869 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-08 17:16:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,873 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-08 17:16:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-11-08 17:16:12,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-08 17:16:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,888 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2024-11-08 17:16:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,897 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-08 17:16:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,905 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-08 17:16:12,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,916 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-08 17:16:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:16:12,925 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2024-11-08 17:16:12,925 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:16:12,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1758252697] [2024-11-08 17:16:12,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1758252697] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:16:12,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:16:12,926 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:16:12,926 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1831425136] [2024-11-08 17:16:12,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:16:12,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:16:12,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:16:12,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:16:12,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:16:12,933 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 17:16:12,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:16:12,969 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2024-11-08 17:16:12,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:16:12,972 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 74 [2024-11-08 17:16:12,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:16:12,973 INFO L225 Difference]: With dead ends: 45 [2024-11-08 17:16:12,974 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 17:16:12,974 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:16:12,978 INFO L432 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 50 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:16:12,978 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:16:12,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 17:16:12,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 17:16:12,980 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) [2024-11-08 17:16:12,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 17:16:12,984 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2024-11-08 17:16:12,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:16:12,984 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 17:16:12,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2024-11-08 17:16:12,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 17:16:12,985 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 17:16:12,988 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2024-11-08 17:16:12,989 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2024-11-08 17:16:12,989 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:16:12,993 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-08 17:16:12,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 17:16:13,078 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:16:13,106 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:16:13 BoogieIcfgContainer [2024-11-08 17:16:13,106 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:16:13,107 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:16:13,107 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:16:13,107 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:16:13,108 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:16:10" (3/4) ... [2024-11-08 17:16:13,113 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 17:16:13,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2024-11-08 17:16:13,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2024-11-08 17:16:13,129 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-08 17:16:13,130 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 17:16:13,131 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 17:16:13,131 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 17:16:13,262 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 17:16:13,263 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 17:16:13,263 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:16:13,264 INFO L158 Benchmark]: Toolchain (without parser) took 4099.91ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 104.5MB in the beginning and 128.9MB in the end (delta: -24.3MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2024-11-08 17:16:13,264 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 146.8MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:16:13,265 INFO L158 Benchmark]: CACSL2BoogieTranslator took 444.03ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 91.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:16:13,265 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.37ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:16:13,266 INFO L158 Benchmark]: Boogie Preprocessor took 54.23ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 88.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:16:13,266 INFO L158 Benchmark]: RCFGBuilder took 445.97ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 76.0MB in the end (delta: 12.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 17:16:13,267 INFO L158 Benchmark]: TraceAbstraction took 2928.09ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 75.1MB in the beginning and 134.1MB in the end (delta: -59.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:16:13,267 INFO L158 Benchmark]: Witness Printer took 156.10ms. Allocated memory is still 203.4MB. Free memory was 134.1MB in the beginning and 128.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:16:13,270 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68ms. Allocated memory is still 146.8MB. Free memory is still 86.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 444.03ms. Allocated memory is still 146.8MB. Free memory was 104.2MB in the beginning and 91.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.37ms. Allocated memory is still 146.8MB. Free memory was 91.6MB in the beginning and 90.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.23ms. Allocated memory is still 146.8MB. Free memory was 90.1MB in the beginning and 88.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 445.97ms. Allocated memory is still 146.8MB. Free memory was 88.3MB in the beginning and 76.0MB in the end (delta: 12.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2928.09ms. Allocated memory was 146.8MB in the beginning and 203.4MB in the end (delta: 56.6MB). Free memory was 75.1MB in the beginning and 134.1MB in the end (delta: -59.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 156.10ms. Allocated memory is still 203.4MB. Free memory was 134.1MB in the beginning and 128.9MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 40 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2 mSDsluCounter, 404 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 250 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 80 IncrementalHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 154 mSDtfsCounter, 80 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=2, InterpolantAutomatonStates: 16, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 314 NumberOfCodeBlocks, 314 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 309 ConstructedInterpolants, 0 QuantifiedInterpolants, 469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 175 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 369/382 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 2 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: ((1 < i) || (i == 1)) RESULT: Ultimate proved your program to be correct! [2024-11-08 17:16:13,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_141bd8b5-b4b8-467d-9951-071eb248702f/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE