./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 18:39:59,627 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 18:39:59,702 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-08 18:39:59,708 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 18:39:59,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 18:39:59,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 18:39:59,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 18:39:59,765 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 18:39:59,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 18:39:59,766 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 18:39:59,767 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 18:39:59,767 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 18:39:59,768 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 18:39:59,768 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 18:39:59,769 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 18:39:59,769 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 18:39:59,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 18:39:59,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 18:39:59,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 18:39:59,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 18:39:59,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 18:39:59,772 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 18:39:59,772 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 18:39:59,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 18:39:59,776 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 18:39:59,790 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 18:39:59,790 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 18:39:59,790 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 18:39:59,791 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 18:39:59,791 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 18:39:59,791 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 18:39:59,791 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 18:39:59,792 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 18:39:59,792 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 18:39:59,792 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:39:59,793 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 18:39:59,793 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 18:39:59,793 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 18:39:59,797 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 18:39:59,798 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 18:39:59,798 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 18:39:59,798 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 18:39:59,799 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 18:39:59,799 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 18:39:59,799 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b073cc2eb0b196ef0c05471292790dfe61756b839736ddb49ad92ee60513afd2 [2024-11-08 18:40:00,116 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 18:40:00,152 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 18:40:00,155 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 18:40:00,156 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 18:40:00,157 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 18:40:00,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i Unable to find full path for "g++" [2024-11-08 18:40:02,227 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 18:40:02,439 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 18:40:02,440 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/sv-benchmarks/c/array-industry-pattern/array_ptr_single_elem_init-2.i [2024-11-08 18:40:02,451 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/data/adec3bb5e/8f0d158833b545b78d9ff30de7f02956/FLAGd973b763b [2024-11-08 18:40:02,804 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/data/adec3bb5e/8f0d158833b545b78d9ff30de7f02956 [2024-11-08 18:40:02,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 18:40:02,816 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 18:40:02,825 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 18:40:02,825 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 18:40:02,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 18:40:02,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:40:02" (1/1) ... [2024-11-08 18:40:02,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eba3f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:02, skipping insertion in model container [2024-11-08 18:40:02,842 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 06:40:02" (1/1) ... [2024-11-08 18:40:02,908 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 18:40:03,153 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:40:03,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 18:40:03,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 18:40:03,212 INFO L204 MainTranslator]: Completed translation [2024-11-08 18:40:03,212 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03 WrapperNode [2024-11-08 18:40:03,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 18:40:03,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 18:40:03,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 18:40:03,214 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 18:40:03,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,231 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,260 INFO L138 Inliner]: procedures = 16, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 71 [2024-11-08 18:40:03,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 18:40:03,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 18:40:03,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 18:40:03,264 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 18:40:03,277 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,278 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,280 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,295 INFO L175 MemorySlicer]: Split 9 memory accesses to 3 slices as follows [2, 5, 2]. 56 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 4 writes are split as follows [0, 3, 1]. [2024-11-08 18:40:03,295 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,302 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,306 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,308 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,311 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 18:40:03,312 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 18:40:03,312 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 18:40:03,312 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 18:40:03,313 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (1/1) ... [2024-11-08 18:40:03,322 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 18:40:03,336 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:40:03,353 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 18:40:03,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 18:40:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 18:40:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 18:40:03,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-08 18:40:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-08 18:40:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 18:40:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-08 18:40:03,395 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-08 18:40:03,396 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-08 18:40:03,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 18:40:03,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 18:40:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-08 18:40:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-08 18:40:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-08 18:40:03,399 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 18:40:03,505 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 18:40:03,510 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 18:40:03,746 INFO L? ?]: Removed 18 outVars from TransFormulas that were not future-live. [2024-11-08 18:40:03,746 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 18:40:03,762 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 18:40:03,762 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 18:40:03,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:40:03 BoogieIcfgContainer [2024-11-08 18:40:03,763 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 18:40:03,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 18:40:03,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 18:40:03,769 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 18:40:03,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 06:40:02" (1/3) ... [2024-11-08 18:40:03,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea2c7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:40:03, skipping insertion in model container [2024-11-08 18:40:03,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 06:40:03" (2/3) ... [2024-11-08 18:40:03,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea2c7f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 06:40:03, skipping insertion in model container [2024-11-08 18:40:03,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:40:03" (3/3) ... [2024-11-08 18:40:03,774 INFO L112 eAbstractionObserver]: Analyzing ICFG array_ptr_single_elem_init-2.i [2024-11-08 18:40:03,797 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 18:40:03,798 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-08 18:40:03,871 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 18:40:03,878 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;@526a8299, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 18:40:03,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-08 18:40:03,883 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 30 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) [2024-11-08 18:40:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 18:40:03,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:03,889 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:03,890 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:03,896 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:03,896 INFO L85 PathProgramCache]: Analyzing trace with hash -1370215460, now seen corresponding path program 1 times [2024-11-08 18:40:03,907 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:03,907 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1458887464] [2024-11-08 18:40:03,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:03,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:04,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:04,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:04,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:04,140 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1458887464] [2024-11-08 18:40:04,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1458887464] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:04,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:40:04,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:40:04,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530842291] [2024-11-08 18:40:04,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:04,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 18:40:04,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:04,175 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 18:40:04,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:40:04,178 INFO L87 Difference]: Start difference. First operand has 31 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 30 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) Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:04,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:04,278 INFO L93 Difference]: Finished difference Result 59 states and 80 transitions. [2024-11-08 18:40:04,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 18:40:04,281 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-08 18:40:04,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:04,291 INFO L225 Difference]: With dead ends: 59 [2024-11-08 18:40:04,291 INFO L226 Difference]: Without dead ends: 35 [2024-11-08 18:40:04,294 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 18:40:04,299 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 12 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:04,300 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 40 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:40:04,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2024-11-08 18:40:04,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 29. [2024-11-08 18:40:04,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 25 states have (on average 1.4) 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) [2024-11-08 18:40:04,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 35 transitions. [2024-11-08 18:40:04,340 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 35 transitions. Word has length 9 [2024-11-08 18:40:04,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:04,340 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 35 transitions. [2024-11-08 18:40:04,341 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:04,341 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 35 transitions. [2024-11-08 18:40:04,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 18:40:04,342 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:04,343 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:04,343 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 18:40:04,344 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:04,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:04,345 INFO L85 PathProgramCache]: Analyzing trace with hash 354456756, now seen corresponding path program 1 times [2024-11-08 18:40:04,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:04,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1070613711] [2024-11-08 18:40:04,346 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:04,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:04,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:04,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:04,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1070613711] [2024-11-08 18:40:04,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1070613711] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:04,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:40:04,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:40:04,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87553758] [2024-11-08 18:40:04,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:04,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:40:04,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:04,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:40:04,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:40:04,509 INFO L87 Difference]: Start difference. First operand 29 states and 35 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:04,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:04,629 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2024-11-08 18:40:04,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:40:04,630 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-08 18:40:04,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:04,631 INFO L225 Difference]: With dead ends: 39 [2024-11-08 18:40:04,631 INFO L226 Difference]: Without dead ends: 37 [2024-11-08 18:40:04,632 INFO L431 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 [2024-11-08 18:40:04,633 INFO L432 NwaCegarLoop]: 16 mSDtfsCounter, 8 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:04,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 39 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:40:04,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2024-11-08 18:40:04,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 36. [2024-11-08 18:40:04,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 32 states have (on average 1.40625) internal successors, (45), 35 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) [2024-11-08 18:40:04,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2024-11-08 18:40:04,641 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 45 transitions. Word has length 9 [2024-11-08 18:40:04,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:04,642 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 45 transitions. [2024-11-08 18:40:04,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:04,642 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2024-11-08 18:40:04,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 18:40:04,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:04,643 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:04,644 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 18:40:04,644 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:04,645 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:04,645 INFO L85 PathProgramCache]: Analyzing trace with hash 2009109297, now seen corresponding path program 1 times [2024-11-08 18:40:04,645 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:04,645 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660288830] [2024-11-08 18:40:04,646 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:04,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:04,829 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:04,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:04,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1660288830] [2024-11-08 18:40:04,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1660288830] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:40:04,830 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [255222183] [2024-11-08 18:40:04,830 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:04,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:40:04,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:40:04,833 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:40:04,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 18:40:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:04,948 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:40:04,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:40:05,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:05,089 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:40:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:05,175 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [255222183] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:40:05,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:40:05,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-08 18:40:05,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [945410798] [2024-11-08 18:40:05,177 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:40:05,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 18:40:05,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:05,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 18:40:05,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:40:05,180 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. Second operand has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 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) [2024-11-08 18:40:05,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:05,385 INFO L93 Difference]: Finished difference Result 63 states and 80 transitions. [2024-11-08 18:40:05,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 18:40:05,386 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 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 17 [2024-11-08 18:40:05,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:05,387 INFO L225 Difference]: With dead ends: 63 [2024-11-08 18:40:05,387 INFO L226 Difference]: Without dead ends: 48 [2024-11-08 18:40:05,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-08 18:40:05,389 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 33 mSDsluCounter, 47 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:05,393 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 60 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:40:05,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-08 18:40:05,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 46. [2024-11-08 18:40:05,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 42 states have (on average 1.380952380952381) internal successors, (58), 45 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) [2024-11-08 18:40:05,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 58 transitions. [2024-11-08 18:40:05,400 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 58 transitions. Word has length 17 [2024-11-08 18:40:05,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:05,400 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 58 transitions. [2024-11-08 18:40:05,400 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.6) internal successors, (36), 10 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) [2024-11-08 18:40:05,400 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 58 transitions. [2024-11-08 18:40:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 18:40:05,401 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:05,401 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-08 18:40:05,425 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 18:40:05,606 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:40:05,606 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:05,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:05,607 INFO L85 PathProgramCache]: Analyzing trace with hash -561185783, now seen corresponding path program 1 times [2024-11-08 18:40:05,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:05,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339684592] [2024-11-08 18:40:05,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:05,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:05,824 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:05,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339684592] [2024-11-08 18:40:05,824 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339684592] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:40:05,824 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [714519152] [2024-11-08 18:40:05,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:05,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:40:05,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:40:05,827 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:40:05,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 18:40:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:05,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 18:40:05,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:40:05,940 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 18:40:05,940 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:40:05,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [714519152] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:05,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:40:05,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-08 18:40:05,941 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687592577] [2024-11-08 18:40:05,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:05,942 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 18:40:05,942 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:05,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 18:40:05,943 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:40:05,944 INFO L87 Difference]: Start difference. First operand 46 states and 58 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:06,055 INFO L93 Difference]: Finished difference Result 48 states and 60 transitions. [2024-11-08 18:40:06,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 18:40:06,056 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 17 [2024-11-08 18:40:06,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:06,057 INFO L225 Difference]: With dead ends: 48 [2024-11-08 18:40:06,057 INFO L226 Difference]: Without dead ends: 47 [2024-11-08 18:40:06,057 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-08 18:40:06,062 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 14 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:06,062 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 50 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:40:06,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-08 18:40:06,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 45. [2024-11-08 18:40:06,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 42 states have (on average 1.3333333333333333) internal successors, (56), 44 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 56 transitions. [2024-11-08 18:40:06,075 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 56 transitions. Word has length 17 [2024-11-08 18:40:06,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:06,076 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 56 transitions. [2024-11-08 18:40:06,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:06,076 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 56 transitions. [2024-11-08 18:40:06,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 18:40:06,078 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:06,078 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1] [2024-11-08 18:40:06,102 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-08 18:40:06,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:40:06,279 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:06,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:06,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1408463453, now seen corresponding path program 1 times [2024-11-08 18:40:06,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:06,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18517171] [2024-11-08 18:40:06,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:06,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:06,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:06,376 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-08 18:40:06,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:06,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18517171] [2024-11-08 18:40:06,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18517171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:06,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:40:06,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:40:06,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [389529346] [2024-11-08 18:40:06,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:06,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:40:06,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:06,379 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:40:06,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:40:06,380 INFO L87 Difference]: Start difference. First operand 45 states and 56 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:06,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:06,434 INFO L93 Difference]: Finished difference Result 45 states and 56 transitions. [2024-11-08 18:40:06,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:40:06,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-08 18:40:06,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:06,437 INFO L225 Difference]: With dead ends: 45 [2024-11-08 18:40:06,438 INFO L226 Difference]: Without dead ends: 44 [2024-11-08 18:40:06,438 INFO L431 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 [2024-11-08 18:40:06,439 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 10 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:06,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 27 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:40:06,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2024-11-08 18:40:06,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2024-11-08 18:40:06,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 43 states have internal predecessors, (55), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:06,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 55 transitions. [2024-11-08 18:40:06,456 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 55 transitions. Word has length 26 [2024-11-08 18:40:06,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:06,456 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 55 transitions. [2024-11-08 18:40:06,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:06,457 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 55 transitions. [2024-11-08 18:40:06,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 18:40:06,457 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:06,457 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:06,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 18:40:06,458 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:06,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:06,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1790178011, now seen corresponding path program 2 times [2024-11-08 18:40:06,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:06,459 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [823542102] [2024-11-08 18:40:06,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:06,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:06,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:06,594 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-08 18:40:06,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:06,595 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [823542102] [2024-11-08 18:40:06,595 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [823542102] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:06,595 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:40:06,596 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:40:06,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415745591] [2024-11-08 18:40:06,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:06,597 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:40:06,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:06,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:40:06,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:40:06,600 INFO L87 Difference]: Start difference. First operand 44 states and 55 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:06,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:06,684 INFO L93 Difference]: Finished difference Result 49 states and 60 transitions. [2024-11-08 18:40:06,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:40:06,685 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 33 [2024-11-08 18:40:06,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:06,686 INFO L225 Difference]: With dead ends: 49 [2024-11-08 18:40:06,686 INFO L226 Difference]: Without dead ends: 47 [2024-11-08 18:40:06,686 INFO L431 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 [2024-11-08 18:40:06,687 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 10 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:06,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 31 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 18:40:06,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-08 18:40:06,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-08 18:40:06,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 45 states have (on average 1.288888888888889) internal successors, (58), 46 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) [2024-11-08 18:40:06,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 58 transitions. [2024-11-08 18:40:06,703 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 58 transitions. Word has length 33 [2024-11-08 18:40:06,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:06,703 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 58 transitions. [2024-11-08 18:40:06,703 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:06,703 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 58 transitions. [2024-11-08 18:40:06,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-08 18:40:06,704 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:06,708 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:06,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 18:40:06,708 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:06,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:06,709 INFO L85 PathProgramCache]: Analyzing trace with hash -188635950, now seen corresponding path program 1 times [2024-11-08 18:40:06,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:06,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923936555] [2024-11-08 18:40:06,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:06,934 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:40:06,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:06,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923936555] [2024-11-08 18:40:06,935 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923936555] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:40:06,935 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513565217] [2024-11-08 18:40:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:06,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:40:06,936 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:40:06,940 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:40:06,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 18:40:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:07,053 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 18:40:07,060 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:40:07,215 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:40:07,218 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:40:07,409 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:40:07,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513565217] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:40:07,410 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:40:07,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2024-11-08 18:40:07,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753781676] [2024-11-08 18:40:07,411 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:40:07,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 18:40:07,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:07,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 18:40:07,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:40:07,414 INFO L87 Difference]: Start difference. First operand 47 states and 58 transitions. Second operand has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:07,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:07,615 INFO L93 Difference]: Finished difference Result 101 states and 129 transitions. [2024-11-08 18:40:07,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 18:40:07,617 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 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 39 [2024-11-08 18:40:07,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:07,620 INFO L225 Difference]: With dead ends: 101 [2024-11-08 18:40:07,620 INFO L226 Difference]: Without dead ends: 84 [2024-11-08 18:40:07,621 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2024-11-08 18:40:07,622 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 87 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 135 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 140 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 135 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:07,622 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 64 Invalid, 140 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 135 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 18:40:07,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2024-11-08 18:40:07,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2024-11-08 18:40:07,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 81 states have (on average 1.308641975308642) internal successors, (106), 82 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:07,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 106 transitions. [2024-11-08 18:40:07,637 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 106 transitions. Word has length 39 [2024-11-08 18:40:07,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:07,640 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 106 transitions. [2024-11-08 18:40:07,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 3.888888888888889) internal successors, (70), 18 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:07,641 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 106 transitions. [2024-11-08 18:40:07,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-08 18:40:07,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:07,643 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:07,670 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 18:40:07,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:40:07,844 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:07,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:07,845 INFO L85 PathProgramCache]: Analyzing trace with hash -2024023770, now seen corresponding path program 2 times [2024-11-08 18:40:07,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:07,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458355089] [2024-11-08 18:40:07,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:07,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:08,272 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:40:08,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:08,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458355089] [2024-11-08 18:40:08,272 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458355089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:40:08,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [214316450] [2024-11-08 18:40:08,273 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-08 18:40:08,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:40:08,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:40:08,282 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:40:08,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-08 18:40:08,382 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-08 18:40:08,382 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:40:08,384 INFO L255 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-08 18:40:08,387 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:40:08,564 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:40:08,565 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 18:40:09,043 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 175 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:40:09,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [214316450] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 18:40:09,044 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 18:40:09,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2024-11-08 18:40:09,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772863879] [2024-11-08 18:40:09,045 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 18:40:09,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2024-11-08 18:40:09,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:09,048 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2024-11-08 18:40:09,049 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 18:40:09,049 INFO L87 Difference]: Start difference. First operand 83 states and 106 transitions. Second operand has 34 states, 34 states have (on average 3.9411764705882355) internal successors, (134), 34 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:09,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:09,434 INFO L93 Difference]: Finished difference Result 173 states and 229 transitions. [2024-11-08 18:40:09,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-11-08 18:40:09,435 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 3.9411764705882355) internal successors, (134), 34 states have internal predecessors, (134), 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 71 [2024-11-08 18:40:09,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:09,436 INFO L225 Difference]: With dead ends: 173 [2024-11-08 18:40:09,436 INFO L226 Difference]: Without dead ends: 156 [2024-11-08 18:40:09,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2024-11-08 18:40:09,442 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 142 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:09,442 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 151 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 18:40:09,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-08 18:40:09,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2024-11-08 18:40:09,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 153 states have (on average 1.3202614379084967) internal successors, (202), 154 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:09,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 202 transitions. [2024-11-08 18:40:09,461 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 202 transitions. Word has length 71 [2024-11-08 18:40:09,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:09,462 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 202 transitions. [2024-11-08 18:40:09,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 3.9411764705882355) internal successors, (134), 34 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:09,462 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 202 transitions. [2024-11-08 18:40:09,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-08 18:40:09,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:09,465 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:09,486 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-08 18:40:09,669 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:40:09,669 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:09,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:09,669 INFO L85 PathProgramCache]: Analyzing trace with hash 2025673166, now seen corresponding path program 3 times [2024-11-08 18:40:09,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:09,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [153687953] [2024-11-08 18:40:09,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:09,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:09,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:10,974 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-08 18:40:10,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:10,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [153687953] [2024-11-08 18:40:10,975 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [153687953] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 18:40:10,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435276887] [2024-11-08 18:40:10,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-08 18:40:10,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 18:40:10,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 18:40:10,977 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 18:40:10,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 18:40:11,086 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-08 18:40:11,086 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-08 18:40:11,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 18:40:11,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 18:40:11,192 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 855 trivial. 0 not checked. [2024-11-08 18:40:11,192 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 18:40:11,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435276887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:11,193 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 18:40:11,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [33] total 36 [2024-11-08 18:40:11,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851857602] [2024-11-08 18:40:11,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:11,194 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 18:40:11,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:11,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 18:40:11,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 18:40:11,196 INFO L87 Difference]: Start difference. First operand 155 states and 202 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 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) [2024-11-08 18:40:11,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:11,250 INFO L93 Difference]: Finished difference Result 155 states and 202 transitions. [2024-11-08 18:40:11,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:40:11,251 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 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 135 [2024-11-08 18:40:11,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:11,252 INFO L225 Difference]: With dead ends: 155 [2024-11-08 18:40:11,253 INFO L226 Difference]: Without dead ends: 154 [2024-11-08 18:40:11,254 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 297 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 18:40:11,254 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 13 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:11,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 23 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:40:11,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-08 18:40:11,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2024-11-08 18:40:11,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 1.3137254901960784) internal successors, (201), 153 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:11,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 201 transitions. [2024-11-08 18:40:11,266 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 201 transitions. Word has length 135 [2024-11-08 18:40:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:11,267 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 201 transitions. [2024-11-08 18:40:11,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 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) [2024-11-08 18:40:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions. [2024-11-08 18:40:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 18:40:11,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 18:40:11,269 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-08 18:40:11,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 18:40:11,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-11-08 18:40:11,470 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2024-11-08 18:40:11,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 18:40:11,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1628641189, now seen corresponding path program 1 times [2024-11-08 18:40:11,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 18:40:11,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091545196] [2024-11-08 18:40:11,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 18:40:11,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 18:40:11,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 18:40:11,607 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2024-11-08 18:40:11,607 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 18:40:11,607 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091545196] [2024-11-08 18:40:11,608 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091545196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 18:40:11,608 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 18:40:11,608 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 18:40:11,608 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811148563] [2024-11-08 18:40:11,608 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 18:40:11,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 18:40:11,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 18:40:11,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 18:40:11,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 18:40:11,610 INFO L87 Difference]: Start difference. First operand 154 states and 201 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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) [2024-11-08 18:40:11,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 18:40:11,654 INFO L93 Difference]: Finished difference Result 154 states and 201 transitions. [2024-11-08 18:40:11,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 18:40:11,655 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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 136 [2024-11-08 18:40:11,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 18:40:11,655 INFO L225 Difference]: With dead ends: 154 [2024-11-08 18:40:11,656 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 18:40:11,656 INFO L431 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 [2024-11-08 18:40:11,657 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 12 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 18:40:11,658 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 21 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 18:40:11,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 18:40:11,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 18:40:11,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 18:40:11,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 18:40:11,659 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2024-11-08 18:40:11,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 18:40:11,660 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 18:40:11,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 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) [2024-11-08 18:40:11,660 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 18:40:11,660 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 18:40:11,663 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-08 18:40:11,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-08 18:40:11,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-08 18:40:11,664 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-08 18:40:11,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-08 18:40:11,668 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1] [2024-11-08 18:40:11,671 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 18:40:11,703 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 18:40:11,719 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 06:40:11 BoogieIcfgContainer [2024-11-08 18:40:11,720 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 18:40:11,720 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 18:40:11,720 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 18:40:11,721 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 18:40:11,721 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 06:40:03" (3/4) ... [2024-11-08 18:40:11,724 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 18:40:11,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-08 18:40:11,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-08 18:40:11,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 18:40:11,733 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 18:40:11,836 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 18:40:11,837 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 18:40:11,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 18:40:11,838 INFO L158 Benchmark]: Toolchain (without parser) took 9022.26ms. Allocated memory was 125.8MB in the beginning and 197.1MB in the end (delta: 71.3MB). Free memory was 61.0MB in the beginning and 67.7MB in the end (delta: -6.6MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-08 18:40:11,838 INFO L158 Benchmark]: CDTParser took 2.12ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 18:40:11,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 388.38ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 60.9MB in the beginning and 124.2MB in the end (delta: -63.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2024-11-08 18:40:11,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.06ms. Allocated memory is still 163.6MB. Free memory was 124.2MB in the beginning and 122.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:40:11,839 INFO L158 Benchmark]: Boogie Preprocessor took 47.16ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 18:40:11,840 INFO L158 Benchmark]: RCFGBuilder took 450.84ms. Allocated memory is still 163.6MB. Free memory was 120.6MB in the beginning and 125.1MB in the end (delta: -4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 18:40:11,840 INFO L158 Benchmark]: TraceAbstraction took 7954.46ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 124.3MB in the beginning and 72.9MB in the end (delta: 51.3MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. [2024-11-08 18:40:11,841 INFO L158 Benchmark]: Witness Printer took 117.06ms. Allocated memory is still 197.1MB. Free memory was 72.9MB in the beginning and 67.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 18:40:11,843 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.12ms. Allocated memory is still 125.8MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 388.38ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 60.9MB in the beginning and 124.2MB in the end (delta: -63.3MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.06ms. Allocated memory is still 163.6MB. Free memory was 124.2MB in the beginning and 122.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 47.16ms. Allocated memory is still 163.6MB. Free memory was 122.7MB in the beginning and 120.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 450.84ms. Allocated memory is still 163.6MB. Free memory was 120.6MB in the beginning and 125.1MB in the end (delta: -4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7954.46ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 124.3MB in the beginning and 72.9MB in the end (delta: 51.3MB). Peak memory consumption was 86.8MB. Max. memory is 16.1GB. * Witness Printer took 117.06ms. Allocated memory is still 197.1MB. Free memory was 72.9MB in the beginning and 67.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 43]: 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, 31 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 10, TraceHistogramMax: 15, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 341 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 341 mSDsluCounter, 506 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 369 mSDsCounter, 37 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 896 IncrementalHoareTripleChecker+Invalid, 933 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 37 mSolverCounterUnsat, 137 mSDtfsCounter, 896 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 482 GetRequests, 377 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 728 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=8, InterpolantAutomatonStates: 85, 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, 10 MinimizatonAttempts, 13 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.1s InterpolantComputationTime, 771 NumberOfCodeBlocks, 659 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 880 ConstructedInterpolants, 0 QuantifiedInterpolants, 1802 SizeOfPredicates, 0 NumberOfNonLiveVariables, 547 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 18 InterpolantComputations, 7 PerfectInterpolantSequences, 1814/3285 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 43]: Loop Invariant Derived loop invariant: (0 < (2147483649 + i)) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) RESULT: Ultimate proved your program to be correct! [2024-11-08 18:40:11,885 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_febf4e50-4080-4f5e-b113-988afd80a135/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE