./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1 --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 ef4a52e45666a829b602608a46cff9c8137910dd58bdfaebe016ce17984d1ac8 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 08:36:45,125 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 08:36:45,182 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-12-02 08:36:45,187 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 08:36:45,187 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 08:36:45,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 08:36:45,209 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 08:36:45,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 08:36:45,210 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 08:36:45,210 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 08:36:45,210 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 08:36:45,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 08:36:45,210 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 08:36:45,211 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 08:36:45,211 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 08:36:45,211 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 08:36:45,211 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 08:36:45,211 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 08:36:45,211 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 08:36:45,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 08:36:45,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 08:36:45,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 08:36:45,212 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:36:45,212 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:36:45,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:36:45,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 08:36:45,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 08:36:45,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 08:36:45,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 08:36:45,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:36:45,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 08:36:45,213 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 08:36:45,213 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 08:36:45,213 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 08:36:45,213 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 08:36:45,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 08:36:45,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 08:36:45,214 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 08:36:45,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 08:36:45,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 08:36:45,214 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1 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 -> ef4a52e45666a829b602608a46cff9c8137910dd58bdfaebe016ce17984d1ac8 [2024-12-02 08:36:45,438 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 08:36:45,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 08:36:45,448 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 08:36:45,450 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 08:36:45,450 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 08:36:45,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c [2024-12-02 08:36:48,116 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/data/c89b4424b/0101d6fe6647454eba5b2d57d5419e22/FLAGfb64ad771 [2024-12-02 08:36:48,280 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 08:36:48,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/sv-benchmarks/c/ldv-memsafety/ArraysWithLenghtAtDeclaration.c [2024-12-02 08:36:48,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/data/c89b4424b/0101d6fe6647454eba5b2d57d5419e22/FLAGfb64ad771 [2024-12-02 08:36:48,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/data/c89b4424b/0101d6fe6647454eba5b2d57d5419e22 [2024-12-02 08:36:48,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 08:36:48,308 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 08:36:48,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 08:36:48,310 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 08:36:48,314 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 08:36:48,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6321c492 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48, skipping insertion in model container [2024-12-02 08:36:48,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,328 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 08:36:48,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:36:48,467 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 08:36:48,479 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 08:36:48,492 INFO L204 MainTranslator]: Completed translation [2024-12-02 08:36:48,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48 WrapperNode [2024-12-02 08:36:48,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 08:36:48,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 08:36:48,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 08:36:48,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 08:36:48,500 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,505 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,519 INFO L138 Inliner]: procedures = 8, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-12-02 08:36:48,519 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 08:36:48,520 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 08:36:48,520 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 08:36:48,520 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 08:36:48,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,529 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,539 INFO L175 MemorySlicer]: Split 3 memory accesses to 2 slices as follows [2, 1]. 67 percent of accesses are in the largest equivalence class. The 0 initializations are split as follows [0, 0]. The 1 writes are split as follows [1, 0]. [2024-12-02 08:36:48,539 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,539 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,543 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,544 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,546 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,547 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 08:36:48,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 08:36:48,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 08:36:48,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 08:36:48,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (1/1) ... [2024-12-02 08:36:48,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 08:36:48,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:36:48,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 08:36:48,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 08:36:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 08:36:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 08:36:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 08:36:48,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 08:36:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 08:36:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 08:36:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-02 08:36:48,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-02 08:36:48,661 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 08:36:48,663 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 08:36:48,789 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-12-02 08:36:48,789 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 08:36:48,798 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 08:36:48,798 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-12-02 08:36:48,798 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:36:48 BoogieIcfgContainer [2024-12-02 08:36:48,798 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 08:36:48,801 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 08:36:48,801 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 08:36:48,805 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 08:36:48,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:36:48" (1/3) ... [2024-12-02 08:36:48,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8b6dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:36:48, skipping insertion in model container [2024-12-02 08:36:48,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:36:48" (2/3) ... [2024-12-02 08:36:48,806 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8b6dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:36:48, skipping insertion in model container [2024-12-02 08:36:48,806 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:36:48" (3/3) ... [2024-12-02 08:36:48,807 INFO L128 eAbstractionObserver]: Analyzing ICFG ArraysWithLenghtAtDeclaration.c [2024-12-02 08:36:48,818 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 08:36:48,820 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ArraysWithLenghtAtDeclaration.c that has 1 procedures, 29 locations, 1 initial locations, 3 loop locations, and 6 error locations. [2024-12-02 08:36:48,861 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 08:36:48,872 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;@22fc97fe, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 08:36:48,873 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2024-12-02 08:36:48,876 INFO L276 IsEmpty]: Start isEmpty. Operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 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) [2024-12-02 08:36:48,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-02 08:36:48,881 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:48,881 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:48,882 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:48,886 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:48,886 INFO L85 PathProgramCache]: Analyzing trace with hash 1807832300, now seen corresponding path program 1 times [2024-12-02 08:36:48,894 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:48,894 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545826203] [2024-12-02 08:36:48,894 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:48,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:48,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:49,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:49,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:49,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545826203] [2024-12-02 08:36:49,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545826203] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:49,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:49,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:36:49,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607613658] [2024-12-02 08:36:49,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:49,073 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:36:49,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:49,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:36:49,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:36:49,090 INFO L87 Difference]: Start difference. First operand has 29 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 28 states have internal predecessors, (35), 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 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:49,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:49,142 INFO L93 Difference]: Finished difference Result 61 states and 77 transitions. [2024-12-02 08:36:49,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:36:49,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-12-02 08:36:49,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:49,150 INFO L225 Difference]: With dead ends: 61 [2024-12-02 08:36:49,150 INFO L226 Difference]: Without dead ends: 29 [2024-12-02 08:36:49,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:36:49,155 INFO L435 NwaCegarLoop]: 26 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:49,156 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 72 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:49,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-12-02 08:36:49,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2024-12-02 08:36:49,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 27 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:49,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 31 transitions. [2024-12-02 08:36:49,186 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 31 transitions. Word has length 7 [2024-12-02 08:36:49,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:49,186 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 31 transitions. [2024-12-02 08:36:49,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:49,186 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2024-12-02 08:36:49,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-02 08:36:49,187 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:49,187 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:49,187 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 08:36:49,187 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:49,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:49,188 INFO L85 PathProgramCache]: Analyzing trace with hash 208294034, now seen corresponding path program 1 times [2024-12-02 08:36:49,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:49,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573307968] [2024-12-02 08:36:49,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:49,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:49,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:49,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:49,293 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:49,293 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573307968] [2024-12-02 08:36:49,293 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [573307968] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:49,293 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:49,293 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 08:36:49,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496680666] [2024-12-02 08:36:49,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:49,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:36:49,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:49,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:36:49,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:36:49,295 INFO L87 Difference]: Start difference. First operand 28 states and 31 transitions. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:49,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:49,355 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2024-12-02 08:36:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:36:49,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-12-02 08:36:49,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:49,356 INFO L225 Difference]: With dead ends: 71 [2024-12-02 08:36:49,356 INFO L226 Difference]: Without dead ends: 45 [2024-12-02 08:36:49,357 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-12-02 08:36:49,358 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:49,358 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 48 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:49,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2024-12-02 08:36:49,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 31. [2024-12-02 08:36:49,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 25 states have (on average 1.36) internal successors, (34), 30 states have internal predecessors, (34), 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) [2024-12-02 08:36:49,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 34 transitions. [2024-12-02 08:36:49,363 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 34 transitions. Word has length 8 [2024-12-02 08:36:49,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:49,363 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 34 transitions. [2024-12-02 08:36:49,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:49,363 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 34 transitions. [2024-12-02 08:36:49,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-02 08:36:49,363 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:49,364 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:49,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 08:36:49,364 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:49,364 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:49,365 INFO L85 PathProgramCache]: Analyzing trace with hash 1343172198, now seen corresponding path program 1 times [2024-12-02 08:36:49,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:49,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884321841] [2024-12-02 08:36:49,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:49,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:49,474 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:49,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:49,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884321841] [2024-12-02 08:36:49,475 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884321841] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:36:49,475 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2134612494] [2024-12-02 08:36:49,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:49,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:49,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:36:49,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:36:49,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 08:36:49,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:49,527 INFO L256 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 08:36:49,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:36:49,629 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 08:36:49,629 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:36:49,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2134612494] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:49,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:36:49,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 10 [2024-12-02 08:36:49,630 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621287815] [2024-12-02 08:36:49,630 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:49,630 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:36:49,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:49,631 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:36:49,631 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-12-02 08:36:49,631 INFO L87 Difference]: Start difference. First operand 31 states and 34 transitions. Second operand has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:49,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:49,722 INFO L93 Difference]: Finished difference Result 66 states and 73 transitions. [2024-12-02 08:36:49,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:36:49,723 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-12-02 08:36:49,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:49,723 INFO L225 Difference]: With dead ends: 66 [2024-12-02 08:36:49,723 INFO L226 Difference]: Without dead ends: 40 [2024-12-02 08:36:49,724 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2024-12-02 08:36:49,724 INFO L435 NwaCegarLoop]: 15 mSDtfsCounter, 9 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:49,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 71 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:36:49,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-12-02 08:36:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 35. [2024-12-02 08:36:49,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 29 states have (on average 1.3103448275862069) internal successors, (38), 34 states have internal predecessors, (38), 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) [2024-12-02 08:36:49,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2024-12-02 08:36:49,729 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 11 [2024-12-02 08:36:49,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:49,729 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2024-12-02 08:36:49,730 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 1.8333333333333333) internal successors, (11), 6 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:49,730 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2024-12-02 08:36:49,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-02 08:36:49,730 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:49,730 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:49,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 08:36:49,931 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:49,931 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:49,931 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:49,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1311267240, now seen corresponding path program 1 times [2024-12-02 08:36:49,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:49,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1926586994] [2024-12-02 08:36:49,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:49,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:49,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:49,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 08:36:49,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:49,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1926586994] [2024-12-02 08:36:49,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1926586994] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:49,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:49,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:36:49,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [225112245] [2024-12-02 08:36:49,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:49,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:36:49,989 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:49,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:36:49,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:36:49,990 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:50,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:50,034 INFO L93 Difference]: Finished difference Result 44 states and 47 transitions. [2024-12-02 08:36:50,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:36:50,034 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2024-12-02 08:36:50,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:50,035 INFO L225 Difference]: With dead ends: 44 [2024-12-02 08:36:50,035 INFO L226 Difference]: Without dead ends: 42 [2024-12-02 08:36:50,035 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:36:50,036 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 3 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:50,036 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 47 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:50,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-12-02 08:36:50,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2024-12-02 08:36:50,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 38 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2024-12-02 08:36:50,041 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 12 [2024-12-02 08:36:50,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:50,041 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2024-12-02 08:36:50,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2024-12-02 08:36:50,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 08:36:50,041 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:50,042 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:50,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 08:36:50,042 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:50,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:50,042 INFO L85 PathProgramCache]: Analyzing trace with hash 2103702458, now seen corresponding path program 1 times [2024-12-02 08:36:50,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:50,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299737984] [2024-12-02 08:36:50,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:50,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:50,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:50,190 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 08:36:50,190 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:50,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299737984] [2024-12-02 08:36:50,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299737984] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:36:50,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2011485434] [2024-12-02 08:36:50,190 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:50,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:50,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:36:50,192 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:36:50,194 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 08:36:50,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:50,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-02 08:36:50,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:36:50,311 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 08:36:50,311 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:36:50,397 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 5 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 08:36:50,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2011485434] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:36:50,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:36:50,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2024-12-02 08:36:50,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60210214] [2024-12-02 08:36:50,397 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:36:50,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 08:36:50,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:50,398 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 08:36:50,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2024-12-02 08:36:50,399 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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) [2024-12-02 08:36:50,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:50,564 INFO L93 Difference]: Finished difference Result 67 states and 74 transitions. [2024-12-02 08:36:50,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 08:36:50,565 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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 19 [2024-12-02 08:36:50,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:50,565 INFO L225 Difference]: With dead ends: 67 [2024-12-02 08:36:50,566 INFO L226 Difference]: Without dead ends: 41 [2024-12-02 08:36:50,566 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 30 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=181, Unknown=0, NotChecked=0, Total=240 [2024-12-02 08:36:50,567 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 21 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:50,567 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 124 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:36:50,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-12-02 08:36:50,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2024-12-02 08:36:50,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 37 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:50,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 40 transitions. [2024-12-02 08:36:50,572 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 40 transitions. Word has length 19 [2024-12-02 08:36:50,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:50,572 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 40 transitions. [2024-12-02 08:36:50,573 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 3.8461538461538463) internal successors, (50), 13 states have internal predecessors, (50), 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) [2024-12-02 08:36:50,573 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 40 transitions. [2024-12-02 08:36:50,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 08:36:50,573 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:50,573 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:50,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 08:36:50,774 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:50,774 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:50,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:50,774 INFO L85 PathProgramCache]: Analyzing trace with hash -2107353362, now seen corresponding path program 1 times [2024-12-02 08:36:50,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:50,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948759296] [2024-12-02 08:36:50,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:50,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:50,838 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 08:36:50,838 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:50,838 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948759296] [2024-12-02 08:36:50,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948759296] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:50,839 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:50,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 08:36:50,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268429849] [2024-12-02 08:36:50,839 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:50,839 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 08:36:50,839 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:50,840 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 08:36:50,840 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:36:50,840 INFO L87 Difference]: Start difference. First operand 38 states and 40 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-12-02 08:36:50,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:50,873 INFO L93 Difference]: Finished difference Result 45 states and 47 transitions. [2024-12-02 08:36:50,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 08:36:50,873 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), 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 19 [2024-12-02 08:36:50,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:50,874 INFO L225 Difference]: With dead ends: 45 [2024-12-02 08:36:50,874 INFO L226 Difference]: Without dead ends: 43 [2024-12-02 08:36:50,874 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 08:36:50,875 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:50,875 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 44 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:50,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2024-12-02 08:36:50,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2024-12-02 08:36:50,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 38 states have (on average 1.1842105263157894) internal successors, (45), 42 states have internal predecessors, (45), 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) [2024-12-02 08:36:50,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 45 transitions. [2024-12-02 08:36:50,879 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 45 transitions. Word has length 19 [2024-12-02 08:36:50,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:50,879 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 45 transitions. [2024-12-02 08:36:50,880 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), 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) [2024-12-02 08:36:50,880 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 45 transitions. [2024-12-02 08:36:50,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-02 08:36:50,880 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:50,880 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:50,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 08:36:50,880 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:50,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:50,881 INFO L85 PathProgramCache]: Analyzing trace with hash 1520491070, now seen corresponding path program 1 times [2024-12-02 08:36:50,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:50,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474340459] [2024-12-02 08:36:50,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:50,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:50,950 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 08:36:50,951 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:50,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474340459] [2024-12-02 08:36:50,951 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474340459] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:36:50,951 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [895920881] [2024-12-02 08:36:50,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:50,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:50,951 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:36:50,953 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:36:50,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-12-02 08:36:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:51,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:36:51,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:36:51,038 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 08:36:51,039 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:36:51,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [895920881] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:51,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:36:51,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-12-02 08:36:51,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [371438509] [2024-12-02 08:36:51,039 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:51,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:36:51,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:51,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:36:51,040 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:36:51,040 INFO L87 Difference]: Start difference. First operand 43 states and 45 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:51,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:51,073 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2024-12-02 08:36:51,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:36:51,074 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2024-12-02 08:36:51,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:51,074 INFO L225 Difference]: With dead ends: 43 [2024-12-02 08:36:51,074 INFO L226 Difference]: Without dead ends: 42 [2024-12-02 08:36:51,074 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:36:51,075 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:51,075 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 62 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:51,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2024-12-02 08:36:51,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-12-02 08:36:51,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 38 states have (on average 1.1578947368421053) internal successors, (44), 41 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2024-12-02 08:36:51,080 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 22 [2024-12-02 08:36:51,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:51,080 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2024-12-02 08:36:51,080 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:51,080 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2024-12-02 08:36:51,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-02 08:36:51,081 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:51,081 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:51,089 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-12-02 08:36:51,281 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:51,281 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:51,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:51,282 INFO L85 PathProgramCache]: Analyzing trace with hash -109417030, now seen corresponding path program 1 times [2024-12-02 08:36:51,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:51,282 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040131301] [2024-12-02 08:36:51,282 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:51,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:51,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:51,339 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 08:36:51,340 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:51,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040131301] [2024-12-02 08:36:51,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1040131301] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:36:51,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [755778692] [2024-12-02 08:36:51,340 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:51,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:51,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:36:51,342 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:36:51,344 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-12-02 08:36:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:51,397 INFO L256 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:36:51,398 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:36:51,428 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 08:36:51,429 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:36:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 4 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-12-02 08:36:51,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [755778692] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:36:51,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:36:51,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-12-02 08:36:51,479 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627124570] [2024-12-02 08:36:51,479 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:36:51,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 08:36:51,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:51,480 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 08:36:51,480 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:36:51,480 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 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) [2024-12-02 08:36:51,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:51,526 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2024-12-02 08:36:51,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-12-02 08:36:51,527 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 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 [2024-12-02 08:36:51,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:51,528 INFO L225 Difference]: With dead ends: 58 [2024-12-02 08:36:51,528 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 08:36:51,528 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:36:51,529 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 6 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:51,529 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 80 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:51,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 08:36:51,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2024-12-02 08:36:51,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.18) internal successors, (59), 53 states have internal predecessors, (59), 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) [2024-12-02 08:36:51,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 59 transitions. [2024-12-02 08:36:51,535 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 59 transitions. Word has length 23 [2024-12-02 08:36:51,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:51,535 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 59 transitions. [2024-12-02 08:36:51,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.272727272727273) internal successors, (36), 12 states have internal predecessors, (36), 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) [2024-12-02 08:36:51,536 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2024-12-02 08:36:51,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 08:36:51,536 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:51,536 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 08:36:51,545 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-12-02 08:36:51,737 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2024-12-02 08:36:51,737 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:51,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:51,737 INFO L85 PathProgramCache]: Analyzing trace with hash 905132738, now seen corresponding path program 1 times [2024-12-02 08:36:51,737 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:51,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [384613154] [2024-12-02 08:36:51,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:51,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:51,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 08:36:51,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:51,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [384613154] [2024-12-02 08:36:51,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [384613154] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:36:51,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [441044307] [2024-12-02 08:36:51,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:51,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:51,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:36:51,890 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:36:51,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-12-02 08:36:51,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:51,951 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-02 08:36:51,952 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:36:52,049 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 08:36:52,049 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:36:52,131 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-02 08:36:52,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [441044307] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:36:52,131 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:36:52,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 16 [2024-12-02 08:36:52,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151509635] [2024-12-02 08:36:52,131 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:36:52,131 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-12-02 08:36:52,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:52,132 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-12-02 08:36:52,132 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=190, Unknown=0, NotChecked=0, Total=240 [2024-12-02 08:36:52,132 INFO L87 Difference]: Start difference. First operand 54 states and 59 transitions. Second operand has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 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) [2024-12-02 08:36:52,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:52,284 INFO L93 Difference]: Finished difference Result 95 states and 105 transitions. [2024-12-02 08:36:52,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 08:36:52,284 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 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 24 [2024-12-02 08:36:52,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:52,285 INFO L225 Difference]: With dead ends: 95 [2024-12-02 08:36:52,285 INFO L226 Difference]: Without dead ends: 54 [2024-12-02 08:36:52,285 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 37 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-12-02 08:36:52,286 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 17 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:52,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 93 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:36:52,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2024-12-02 08:36:52,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2024-12-02 08:36:52,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 50 states have (on average 1.16) internal successors, (58), 53 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:52,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 58 transitions. [2024-12-02 08:36:52,290 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 58 transitions. Word has length 24 [2024-12-02 08:36:52,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:52,291 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 58 transitions. [2024-12-02 08:36:52,291 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.0) internal successors, (48), 16 states have internal predecessors, (48), 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) [2024-12-02 08:36:52,291 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 58 transitions. [2024-12-02 08:36:52,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 08:36:52,291 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:52,291 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:52,300 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-12-02 08:36:52,492 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:52,492 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:52,492 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:52,492 INFO L85 PathProgramCache]: Analyzing trace with hash -1205277677, now seen corresponding path program 1 times [2024-12-02 08:36:52,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:52,493 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289265543] [2024-12-02 08:36:52,493 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:52,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:52,559 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 08:36:52,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:52,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289265543] [2024-12-02 08:36:52,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289265543] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:36:52,559 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674459046] [2024-12-02 08:36:52,559 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:52,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:52,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:36:52,561 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:36:52,563 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-12-02 08:36:52,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:52,613 INFO L256 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:36:52,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:36:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 08:36:52,646 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 08:36:52,646 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674459046] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:52,646 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 08:36:52,646 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-12-02 08:36:52,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755832655] [2024-12-02 08:36:52,647 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:52,647 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:36:52,647 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:52,647 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:36:52,647 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:36:52,648 INFO L87 Difference]: Start difference. First operand 54 states and 58 transitions. Second operand has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-12-02 08:36:52,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:52,686 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2024-12-02 08:36:52,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:36:52,687 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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 24 [2024-12-02 08:36:52,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:52,688 INFO L225 Difference]: With dead ends: 54 [2024-12-02 08:36:52,688 INFO L226 Difference]: Without dead ends: 53 [2024-12-02 08:36:52,688 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-12-02 08:36:52,688 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 9 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:52,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 60 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:52,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2024-12-02 08:36:52,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2024-12-02 08:36:52,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 50 states have (on average 1.14) internal successors, (57), 52 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:52,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 57 transitions. [2024-12-02 08:36:52,693 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 57 transitions. Word has length 24 [2024-12-02 08:36:52,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:52,694 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 57 transitions. [2024-12-02 08:36:52,694 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.8) internal successors, (24), 6 states have internal predecessors, (24), 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) [2024-12-02 08:36:52,694 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 57 transitions. [2024-12-02 08:36:52,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-02 08:36:52,694 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:52,694 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:52,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-12-02 08:36:52,895 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-12-02 08:36:52,895 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:52,895 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:52,895 INFO L85 PathProgramCache]: Analyzing trace with hash 1291097768, now seen corresponding path program 1 times [2024-12-02 08:36:52,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:52,896 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683761607] [2024-12-02 08:36:52,896 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:52,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 08:36:52,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:52,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683761607] [2024-12-02 08:36:52,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683761607] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:36:52,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721718203] [2024-12-02 08:36:52,958 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 08:36:52,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:52,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:36:52,960 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:36:52,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-12-02 08:36:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 08:36:53,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 08:36:53,013 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:36:53,040 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 08:36:53,041 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:36:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-02 08:36:53,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721718203] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:36:53,088 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:36:53,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-12-02 08:36:53,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602275301] [2024-12-02 08:36:53,088 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:36:53,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 08:36:53,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:53,089 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 08:36:53,089 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:36:53,090 INFO L87 Difference]: Start difference. First operand 53 states and 57 transitions. Second operand has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:53,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:53,127 INFO L93 Difference]: Finished difference Result 59 states and 64 transitions. [2024-12-02 08:36:53,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 08:36:53,128 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2024-12-02 08:36:53,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:53,128 INFO L225 Difference]: With dead ends: 59 [2024-12-02 08:36:53,128 INFO L226 Difference]: Without dead ends: 41 [2024-12-02 08:36:53,129 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-12-02 08:36:53,129 INFO L435 NwaCegarLoop]: 14 mSDtfsCounter, 8 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:53,129 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 47 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:53,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2024-12-02 08:36:53,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2024-12-02 08:36:53,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 39 states have (on average 1.1282051282051282) internal successors, (44), 40 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:53,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 44 transitions. [2024-12-02 08:36:53,132 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 44 transitions. Word has length 25 [2024-12-02 08:36:53,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:53,132 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 44 transitions. [2024-12-02 08:36:53,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:53,132 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 44 transitions. [2024-12-02 08:36:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-12-02 08:36:53,133 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:53,133 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-12-02 08:36:53,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-12-02 08:36:53,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2024-12-02 08:36:53,334 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:53,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:53,334 INFO L85 PathProgramCache]: Analyzing trace with hash 591652028, now seen corresponding path program 2 times [2024-12-02 08:36:53,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:53,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667499895] [2024-12-02 08:36:53,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:36:53,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:53,343 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-12-02 08:36:53,343 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:36:53,381 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-12-02 08:36:53,381 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:53,381 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667499895] [2024-12-02 08:36:53,381 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667499895] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 08:36:53,381 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 08:36:53,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 08:36:53,381 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074999018] [2024-12-02 08:36:53,381 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 08:36:53,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-12-02 08:36:53,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:53,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-12-02 08:36:53,382 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:36:53,382 INFO L87 Difference]: Start difference. First operand 41 states and 44 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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) [2024-12-02 08:36:53,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:53,406 INFO L93 Difference]: Finished difference Result 41 states and 44 transitions. [2024-12-02 08:36:53,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 08:36:53,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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 28 [2024-12-02 08:36:53,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:53,407 INFO L225 Difference]: With dead ends: 41 [2024-12-02 08:36:53,407 INFO L226 Difference]: Without dead ends: 40 [2024-12-02 08:36:53,408 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-12-02 08:36:53,408 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 1 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:53,408 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 24 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 08:36:53,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2024-12-02 08:36:53,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 36. [2024-12-02 08:36:53,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 35 states have (on average 1.1142857142857143) internal successors, (39), 35 states have internal predecessors, (39), 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) [2024-12-02 08:36:53,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 39 transitions. [2024-12-02 08:36:53,413 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 39 transitions. Word has length 28 [2024-12-02 08:36:53,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:53,413 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 39 transitions. [2024-12-02 08:36:53,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 6 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) [2024-12-02 08:36:53,413 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 39 transitions. [2024-12-02 08:36:53,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-12-02 08:36:53,414 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 08:36:53,414 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:53,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-12-02 08:36:53,414 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2024-12-02 08:36:53,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 08:36:53,415 INFO L85 PathProgramCache]: Analyzing trace with hash -436666100, now seen corresponding path program 2 times [2024-12-02 08:36:53,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 08:36:53,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867465723] [2024-12-02 08:36:53,415 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:36:53,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 08:36:53,434 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 08:36:53,434 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:36:53,575 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-02 08:36:53,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 08:36:53,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867465723] [2024-12-02 08:36:53,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867465723] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 08:36:53,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1089152401] [2024-12-02 08:36:53,575 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-12-02 08:36:53,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 08:36:53,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 08:36:53,577 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 08:36:53,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-12-02 08:36:53,643 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-12-02 08:36:53,643 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-12-02 08:36:53,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-02 08:36:53,645 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 08:36:53,736 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-02 08:36:53,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 08:36:53,848 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-12-02 08:36:53,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1089152401] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 08:36:53,849 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 08:36:53,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 20 [2024-12-02 08:36:53,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935252483] [2024-12-02 08:36:53,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 08:36:53,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 08:36:53,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 08:36:53,850 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 08:36:53,850 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-12-02 08:36:53,850 INFO L87 Difference]: Start difference. First operand 36 states and 39 transitions. Second operand has 21 states, 20 states have (on average 3.35) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:54,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 08:36:54,164 INFO L93 Difference]: Finished difference Result 64 states and 71 transitions. [2024-12-02 08:36:54,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2024-12-02 08:36:54,165 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 3.35) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 35 [2024-12-02 08:36:54,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 08:36:54,165 INFO L225 Difference]: With dead ends: 64 [2024-12-02 08:36:54,165 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 08:36:54,166 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 238 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=286, Invalid=974, Unknown=0, NotChecked=0, Total=1260 [2024-12-02 08:36:54,167 INFO L435 NwaCegarLoop]: 2 mSDtfsCounter, 32 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 17 SdHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 08:36:54,167 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 17 Invalid, 137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 08:36:54,167 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 08:36:54,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 08:36:54,167 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) [2024-12-02 08:36:54,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 08:36:54,168 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2024-12-02 08:36:54,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 08:36:54,168 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 08:36:54,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.35) internal successors, (67), 21 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 08:36:54,168 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 08:36:54,168 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 08:36:54,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2024-12-02 08:36:54,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2024-12-02 08:36:54,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2024-12-02 08:36:54,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2024-12-02 08:36:54,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2024-12-02 08:36:54,171 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2024-12-02 08:36:54,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-12-02 08:36:54,371 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-12-02 08:36:54,374 INFO L422 BasicCegarLoop]: Path program histogram: [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 08:36:54,376 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 08:36:54,536 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 08:36:54,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:36:54 BoogieIcfgContainer [2024-12-02 08:36:54,548 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 08:36:54,549 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 08:36:54,549 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 08:36:54,549 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 08:36:54,550 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:36:48" (3/4) ... [2024-12-02 08:36:54,552 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 08:36:54,559 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-02 08:36:54,559 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-02 08:36:54,559 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-02 08:36:54,559 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 08:36:54,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 08:36:54,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 08:36:54,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 08:36:54,621 INFO L158 Benchmark]: Toolchain (without parser) took 6313.06ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 74.7MB in the end (delta: 42.8MB). Peak memory consumption was 38.3MB. Max. memory is 16.1GB. [2024-12-02 08:36:54,621 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:36:54,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 183.52ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:36:54,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.03ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:36:54,622 INFO L158 Benchmark]: Boogie Preprocessor took 29.17ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:36:54,622 INFO L158 Benchmark]: RCFGBuilder took 248.91ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 08:36:54,622 INFO L158 Benchmark]: TraceAbstraction took 5747.85ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 79.8MB in the end (delta: 12.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. [2024-12-02 08:36:54,623 INFO L158 Benchmark]: Witness Printer took 71.45ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 74.7MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 08:36:54,624 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 183.52ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 106.9MB in the end (delta: 10.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.03ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.17ms. Allocated memory is still 142.6MB. Free memory was 105.7MB in the beginning and 104.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 248.91ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 92.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5747.85ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 79.8MB in the end (delta: 12.5MB). Peak memory consumption was 21.5MB. Max. memory is 16.1GB. * Witness Printer took 71.45ms. Allocated memory is still 142.6MB. Free memory was 79.8MB in the beginning and 74.7MB in the end (delta: 5.2MB). There was no memory consumed. 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: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 17]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 26]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: 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, 29 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 5.5s, OverallIterations: 13, TraceHistogramMax: 6, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 133 mSDsluCounter, 789 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 592 mSDsCounter, 30 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 922 IncrementalHoareTripleChecker+Invalid, 952 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 30 mSolverCounterUnsat, 197 mSDtfsCounter, 922 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 387 GetRequests, 262 SyntacticMatches, 4 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 401 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=54occurred in iteration=8, InterpolantAutomatonStates: 102, 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, 13 MinimizatonAttempts, 33 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 440 NumberOfCodeBlocks, 421 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 540 ConstructedInterpolants, 0 QuantifiedInterpolants, 1322 SizeOfPredicates, 8 NumberOfNonLiveVariables, 782 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 26 InterpolantComputations, 8 PerfectInterpolantSequences, 230/421 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((i == 0) || ((i <= 2147483646) && (1 <= i))) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((i == 0) && (size == 0)) && (i == 0)) || ((((size <= 31) && (i == 0)) && (1 <= size)) && (i == size))) || (((i == 0) && (size == 0)) && (i == 1))) || (((((i <= 2147483646) && (size <= 31)) && (1 <= i)) && (1 <= i)) && (i == size))) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((i == 0) || ((i <= 2147483646) && (1 <= i))) RESULT: Ultimate proved your program to be correct! [2024-12-02 08:36:54,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08070df0-d09d-4cc8-b246-498fc77bfe43/bin/uautomizer-verify-84ZbGMXZE1/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