./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.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_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/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_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/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_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/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 b855c2333aba0768da7f98c0f43af3ba5efb2578eeec0e9146f1a7f4f307c07a
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:22:41,453 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:22:41,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 17:22:41,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:22:41,566 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:22:41,603 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:22:41,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:22:41,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:22:41,607 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:22:41,608 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:22:41,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:22:41,609 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:22:41,610 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:22:41,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:22:41,612 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:22:41,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:22:41,614 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:22:41,614 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:22:41,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:22:41,615 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:22:41,619 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:22:41,620 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:22:41,620 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:22:41,621 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:22:41,621 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:22:41,621 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 17:22:41,622 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:22:41,622 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:22:41,622 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:22:41,622 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:22:41,623 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:22:41,624 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:22:41,625 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:22:41,625 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:22:41,626 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:22:41,626 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:22:41,626 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:22:41,627 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:22:41,627 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:22:41,627 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:22:41,627 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:22:41,628 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:22:41,629 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:22:41,629 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:22:41,629 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_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b855c2333aba0768da7f98c0f43af3ba5efb2578eeec0e9146f1a7f4f307c07a
[2024-11-08 17:22:41,957 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:22:41,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:22:41,987 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:22:41,988 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:22:41,989 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:22:41,990 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i
Unable to find full path for "g++"
[2024-11-08 17:22:44,072 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:22:44,284 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:22:44,285 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/sv-benchmarks/c/array-industry-pattern/array_of_struct_ptr_flag_init.i
[2024-11-08 17:22:44,293 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/data/9a81bd531/e50a3798d826408a83657f6d9dbfb0f2/FLAG2963a9fd4
[2024-11-08 17:22:44,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/data/9a81bd531/e50a3798d826408a83657f6d9dbfb0f2
[2024-11-08 17:22:44,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:22:44,316 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:22:44,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:22:44,318 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:22:44,324 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:22:44,325 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,326 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@184a25c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44, skipping insertion in model container
[2024-11-08 17:22:44,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,353 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:22:44,614 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:22:44,627 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:22:44,654 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:22:44,674 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:22:44,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44 WrapperNode
[2024-11-08 17:22:44,675 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:22:44,676 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:22:44,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:22:44,676 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:22:44,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,696 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,722 INFO L138 Inliner]: procedures = 20, calls = 16, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 67
[2024-11-08 17:22:44,723 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:22:44,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:22:44,724 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:22:44,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:22:44,734 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,735 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,739 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,758 INFO L175 MemorySlicer]: Split 5 memory accesses to 2 slices as follows [2, 3]. 60 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1].
[2024-11-08 17:22:44,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,768 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,775 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,780 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,781 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,783 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:22:44,784 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:22:44,784 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:22:44,784 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:22:44,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (1/1) ...
[2024-11-08 17:22:44,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:22:44,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:44,825 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:22:44,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:22:44,861 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-08 17:22:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-08 17:22:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:22:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:22:44,862 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 17:22:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-08 17:22:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-08 17:22:44,863 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-08 17:22:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-08 17:22:44,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:22:44,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:22:44,866 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-08 17:22:44,969 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:22:44,971 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:22:45,263 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live.
[2024-11-08 17:22:45,264 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:22:45,284 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:22:45,288 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:22:45,289 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:22:45 BoogieIcfgContainer
[2024-11-08 17:22:45,289 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:22:45,292 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:22:45,294 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:22:45,298 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:22:45,298 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:22:44" (1/3) ...
[2024-11-08 17:22:45,299 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de540e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:22:45, skipping insertion in model container
[2024-11-08 17:22:45,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:22:44" (2/3) ...
[2024-11-08 17:22:45,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@de540e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:22:45, skipping insertion in model container
[2024-11-08 17:22:45,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:22:45" (3/3) ...
[2024-11-08 17:22:45,303 INFO L112 eAbstractionObserver]: Analyzing ICFG array_of_struct_ptr_flag_init.i
[2024-11-08 17:22:45,329 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:22:45,329 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-11-08 17:22:45,394 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:22:45,401 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;@4426f551, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:22:45,402 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2024-11-08 17:22:45,406 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 34 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:45,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6
[2024-11-08 17:22:45,413 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:45,414 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1]
[2024-11-08 17:22:45,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:45,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:45,421 INFO L85 PathProgramCache]: Analyzing trace with hash 28694852, now seen corresponding path program 1 times
[2024-11-08 17:22:45,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:45,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953644469]
[2024-11-08 17:22:45,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:45,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:45,744 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 17:22:45,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:45,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953644469]
[2024-11-08 17:22:45,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953644469] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:22:45,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:22:45,746 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:22:45,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1742450521]
[2024-11-08 17:22:45,749 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:22:45,753 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:22:45,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:45,780 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:22:45,780 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:22:45,782 INFO L87 Difference]: Start difference. First operand has 35 states, 28 states have (on average 1.5714285714285714) internal successors, (44), 34 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:45,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:45,869 INFO L93 Difference]: Finished difference Result 57 states and 72 transitions.
[2024-11-08 17:22:45,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:22:45,874 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5
[2024-11-08 17:22:45,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:45,884 INFO L225 Difference]: With dead ends: 57
[2024-11-08 17:22:45,885 INFO L226 Difference]: Without dead ends: 32
[2024-11-08 17:22:45,888 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 17:22:45,894 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 1 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:45,896 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 99 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:22:45,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-11-08 17:22:45,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2024-11-08 17:22:45,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 26 states have (on average 1.5384615384615385) internal successors, (40), 31 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 17:22:45,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 40 transitions.
[2024-11-08 17:22:45,937 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 40 transitions. Word has length 5
[2024-11-08 17:22:45,937 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:45,938 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 40 transitions.
[2024-11-08 17:22:45,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions.
[2024-11-08 17:22:45,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 17:22:45,939 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:45,939 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:45,941 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:22:45,941 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:45,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:45,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1762862392, now seen corresponding path program 1 times
[2024-11-08 17:22:45,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:45,944 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [185205940]
[2024-11-08 17:22:45,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:45,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:46,126 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 17:22:46,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:46,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [185205940]
[2024-11-08 17:22:46,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [185205940] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:22:46,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:22:46,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:22:46,128 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706009872]
[2024-11-08 17:22:46,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:22:46,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:22:46,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:46,133 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:22:46,133 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:22:46,134 INFO L87 Difference]: Start difference. First operand 32 states and 40 transitions. 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 17:22:46,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:46,168 INFO L93 Difference]: Finished difference Result 52 states and 64 transitions.
[2024-11-08 17:22:46,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:22:46,171 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 17:22:46,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:46,172 INFO L225 Difference]: With dead ends: 52
[2024-11-08 17:22:46,172 INFO L226 Difference]: Without dead ends: 32
[2024-11-08 17:22:46,172 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 17:22:46,174 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 59 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:46,176 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 59 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:22:46,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states.
[2024-11-08 17:22:46,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32.
[2024-11-08 17:22:46,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 31 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:46,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions.
[2024-11-08 17:22:46,186 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 38 transitions. Word has length 9
[2024-11-08 17:22:46,187 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:46,187 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 38 transitions.
[2024-11-08 17:22:46,187 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 17:22:46,187 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions.
[2024-11-08 17:22:46,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2024-11-08 17:22:46,189 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:46,189 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1]
[2024-11-08 17:22:46,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:22:46,190 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:46,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:46,191 INFO L85 PathProgramCache]: Analyzing trace with hash 351574077, now seen corresponding path program 1 times
[2024-11-08 17:22:46,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:46,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579339033]
[2024-11-08 17:22:46,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:46,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:46,399 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:22:46,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:46,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579339033]
[2024-11-08 17:22:46,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579339033] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:22:46,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [658166599]
[2024-11-08 17:22:46,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:46,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:46,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:46,404 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:46,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-08 17:22:46,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:46,547 INFO L255 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 17:22:46,554 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:22:46,631 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:22:46,633 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:22:46,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [658166599] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:22:46,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 17:22:46,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-08 17:22:46,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026897924]
[2024-11-08 17:22:46,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:22:46,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-08 17:22:46,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:46,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-08 17:22:46,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-08 17:22:46,639 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 17:22:46,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:46,711 INFO L93 Difference]: Finished difference Result 32 states and 38 transitions.
[2024-11-08 17:22:46,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-08 17:22:46,712 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 17:22:46,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:46,713 INFO L225 Difference]: With dead ends: 32
[2024-11-08 17:22:46,714 INFO L226 Difference]: Without dead ends: 31
[2024-11-08 17:22:46,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 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 17:22:46,716 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:46,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 98 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:22:46,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states.
[2024-11-08 17:22:46,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31.
[2024-11-08 17:22:46,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 26 states have (on average 1.4230769230769231) internal successors, (37), 30 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:46,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 37 transitions.
[2024-11-08 17:22:46,727 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 37 transitions. Word has length 9
[2024-11-08 17:22:46,727 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:46,728 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 37 transitions.
[2024-11-08 17:22:46,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 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 17:22:46,728 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 37 transitions.
[2024-11-08 17:22:46,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2024-11-08 17:22:46,729 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:46,729 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1]
[2024-11-08 17:22:46,751 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-08 17:22:46,933 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:46,934 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:46,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:46,935 INFO L85 PathProgramCache]: Analyzing trace with hash -1986105456, now seen corresponding path program 1 times
[2024-11-08 17:22:46,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:46,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930857299]
[2024-11-08 17:22:46,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:46,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:46,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:47,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:22:47,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:47,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930857299]
[2024-11-08 17:22:47,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1930857299] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:22:47,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [363926291]
[2024-11-08 17:22:47,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:47,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:47,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:47,119 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:47,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-08 17:22:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:47,225 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 17:22:47,227 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:22:47,277 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:22:47,277 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:22:47,352 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:22:47,352 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [363926291] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:22:47,353 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:22:47,353 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-08 17:22:47,353 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055501587]
[2024-11-08 17:22:47,353 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:22:47,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states
[2024-11-08 17:22:47,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:47,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2024-11-08 17:22:47,357 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-08 17:22:47,357 INFO L87 Difference]: Start difference. First operand 31 states and 37 transitions. Second operand has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 12 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 17:22:47,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:47,451 INFO L93 Difference]: Finished difference Result 44 states and 58 transitions.
[2024-11-08 17:22:47,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-11-08 17:22:47,452 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 12 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 10
[2024-11-08 17:22:47,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:47,453 INFO L225 Difference]: With dead ends: 44
[2024-11-08 17:22:47,453 INFO L226 Difference]: Without dead ends: 43
[2024-11-08 17:22:47,454 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132
[2024-11-08 17:22:47,455 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 149 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:47,455 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 149 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:22:47,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states.
[2024-11-08 17:22:47,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43.
[2024-11-08 17:22:47,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 42 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 17:22:47,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 55 transitions.
[2024-11-08 17:22:47,465 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 55 transitions. Word has length 10
[2024-11-08 17:22:47,465 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:47,466 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 55 transitions.
[2024-11-08 17:22:47,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 2.1818181818181817) internal successors, (24), 12 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 17:22:47,466 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 55 transitions.
[2024-11-08 17:22:47,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14
[2024-11-08 17:22:47,467 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:47,467 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:47,483 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-08 17:22:47,667 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3
[2024-11-08 17:22:47,668 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:47,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:47,668 INFO L85 PathProgramCache]: Analyzing trace with hash 813154225, now seen corresponding path program 1 times
[2024-11-08 17:22:47,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:47,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525422064]
[2024-11-08 17:22:47,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:47,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:47,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:47,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 17:22:47,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:47,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525422064]
[2024-11-08 17:22:47,741 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525422064] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:22:47,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:22:47,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:22:47,742 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [35757973]
[2024-11-08 17:22:47,742 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:22:47,742 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:22:47,743 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:47,743 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:22:47,743 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:22:47,743 INFO L87 Difference]: Start difference. First operand 43 states and 55 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:47,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:47,810 INFO L93 Difference]: Finished difference Result 68 states and 85 transitions.
[2024-11-08 17:22:47,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:22:47,811 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13
[2024-11-08 17:22:47,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:47,812 INFO L225 Difference]: With dead ends: 68
[2024-11-08 17:22:47,812 INFO L226 Difference]: Without dead ends: 55
[2024-11-08 17:22:47,812 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 17:22:47,813 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 8 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:47,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 63 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:22:47,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states.
[2024-11-08 17:22:47,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49.
[2024-11-08 17:22:47,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.4090909090909092) internal successors, (62), 48 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:47,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 62 transitions.
[2024-11-08 17:22:47,824 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 62 transitions. Word has length 13
[2024-11-08 17:22:47,826 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:47,826 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 62 transitions.
[2024-11-08 17:22:47,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:47,827 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 62 transitions.
[2024-11-08 17:22:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2024-11-08 17:22:47,827 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:47,827 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:47,828 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-08 17:22:47,828 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:47,828 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:47,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1923085912, now seen corresponding path program 1 times
[2024-11-08 17:22:47,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:47,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143112918]
[2024-11-08 17:22:47,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:47,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:47,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:47,965 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-08 17:22:47,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:47,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143112918]
[2024-11-08 17:22:47,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143112918] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:22:47,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289613573]
[2024-11-08 17:22:47,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:47,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:47,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:47,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:47,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-08 17:22:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:48,056 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-08 17:22:48,057 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:22:48,136 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-08 17:22:48,138 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:22:48,202 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-08 17:22:48,203 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289613573] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:22:48,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:22:48,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11
[2024-11-08 17:22:48,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192512550]
[2024-11-08 17:22:48,206 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:22:48,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states
[2024-11-08 17:22:48,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:48,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants.
[2024-11-08 17:22:48,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110
[2024-11-08 17:22:48,207 INFO L87 Difference]: Start difference. First operand 49 states and 62 transitions. Second operand has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:48,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:48,279 INFO L93 Difference]: Finished difference Result 75 states and 93 transitions.
[2024-11-08 17:22:48,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-08 17:22:48,280 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2024-11-08 17:22:48,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:48,281 INFO L225 Difference]: With dead ends: 75
[2024-11-08 17:22:48,281 INFO L226 Difference]: Without dead ends: 49
[2024-11-08 17:22:48,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110
[2024-11-08 17:22:48,282 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 3 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:48,284 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 126 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:22:48,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states.
[2024-11-08 17:22:48,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49.
[2024-11-08 17:22:48,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 44 states have (on average 1.2727272727272727) internal successors, (56), 48 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 17:22:48,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 56 transitions.
[2024-11-08 17:22:48,290 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 56 transitions. Word has length 19
[2024-11-08 17:22:48,292 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:48,292 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 56 transitions.
[2024-11-08 17:22:48,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.4545454545454546) internal successors, (27), 11 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:48,292 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 56 transitions.
[2024-11-08 17:22:48,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2024-11-08 17:22:48,293 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:48,293 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 1, 1, 1]
[2024-11-08 17:22:48,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-08 17:22:48,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5
[2024-11-08 17:22:48,494 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:48,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:48,495 INFO L85 PathProgramCache]: Analyzing trace with hash 1821526789, now seen corresponding path program 2 times
[2024-11-08 17:22:48,495 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:48,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83709559]
[2024-11-08 17:22:48,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:48,495 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:48,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:48,768 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:22:48,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:48,769 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83709559]
[2024-11-08 17:22:48,771 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83709559] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:22:48,771 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1609716194]
[2024-11-08 17:22:48,772 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 17:22:48,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:48,772 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:48,774 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:48,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-08 17:22:48,874 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-08 17:22:48,875 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:22:48,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-08 17:22:48,878 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:22:48,993 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 17:22:48,994 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:22:49,097 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2024-11-08 17:22:49,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1609716194] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:22:49,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:22:49,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 4, 4] total 17
[2024-11-08 17:22:49,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283571353]
[2024-11-08 17:22:49,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:22:49,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states
[2024-11-08 17:22:49,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:49,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants.
[2024-11-08 17:22:49,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306
[2024-11-08 17:22:49,101 INFO L87 Difference]: Start difference. First operand 49 states and 56 transitions. Second operand has 18 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 18 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 17:22:49,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:49,396 INFO L93 Difference]: Finished difference Result 54 states and 64 transitions.
[2024-11-08 17:22:49,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-11-08 17:22:49,397 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 18 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) Word has length 22
[2024-11-08 17:22:49,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:49,398 INFO L225 Difference]: With dead ends: 54
[2024-11-08 17:22:49,398 INFO L226 Difference]: Without dead ends: 53
[2024-11-08 17:22:49,399 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=219, Invalid=711, Unknown=0, NotChecked=0, Total=930
[2024-11-08 17:22:49,399 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 0 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:49,400 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 194 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:22:49,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states.
[2024-11-08 17:22:49,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 41.
[2024-11-08 17:22:49,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 40 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:49,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions.
[2024-11-08 17:22:49,412 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 22
[2024-11-08 17:22:49,414 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:49,414 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions.
[2024-11-08 17:22:49,415 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 2.3529411764705883) internal successors, (40), 18 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 17:22:49,415 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions.
[2024-11-08 17:22:49,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28
[2024-11-08 17:22:49,416 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:49,416 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:49,431 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2024-11-08 17:22:49,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6
[2024-11-08 17:22:49,617 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:49,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:49,618 INFO L85 PathProgramCache]: Analyzing trace with hash -630656102, now seen corresponding path program 2 times
[2024-11-08 17:22:49,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:49,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599905154]
[2024-11-08 17:22:49,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:49,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:49,792 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-08 17:22:49,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:49,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599905154]
[2024-11-08 17:22:49,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599905154] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:22:49,793 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2023490333]
[2024-11-08 17:22:49,793 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 17:22:49,793 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:49,793 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:49,795 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:49,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2024-11-08 17:22:49,900 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 17:22:49,900 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:22:49,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 10 conjuncts are in the unsatisfiable core
[2024-11-08 17:22:49,904 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:22:50,056 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-08 17:22:50,057 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:22:50,186 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-08 17:22:50,186 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2023490333] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:22:50,186 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:22:50,186 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 23
[2024-11-08 17:22:50,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537757444]
[2024-11-08 17:22:50,187 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:22:50,187 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states
[2024-11-08 17:22:50,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:50,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants.
[2024-11-08 17:22:50,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506
[2024-11-08 17:22:50,189 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:50,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:50,268 INFO L93 Difference]: Finished difference Result 83 states and 98 transitions.
[2024-11-08 17:22:50,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states.
[2024-11-08 17:22:50,269 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27
[2024-11-08 17:22:50,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:50,270 INFO L225 Difference]: With dead ends: 83
[2024-11-08 17:22:50,270 INFO L226 Difference]: Without dead ends: 57
[2024-11-08 17:22:50,270 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 205 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=365, Unknown=0, NotChecked=0, Total=506
[2024-11-08 17:22:50,271 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 3 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:50,271 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 147 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2024-11-08 17:22:50,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states.
[2024-11-08 17:22:50,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57.
[2024-11-08 17:22:50,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 53 states have (on average 1.1886792452830188) internal successors, (63), 56 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:50,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions.
[2024-11-08 17:22:50,278 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 27
[2024-11-08 17:22:50,279 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:50,279 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions.
[2024-11-08 17:22:50,279 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 2.217391304347826) internal successors, (51), 23 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:50,279 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions.
[2024-11-08 17:22:50,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2024-11-08 17:22:50,280 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:50,280 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:50,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0
[2024-11-08 17:22:50,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:50,485 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:50,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:50,485 INFO L85 PathProgramCache]: Analyzing trace with hash 701796734, now seen corresponding path program 3 times
[2024-11-08 17:22:50,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:50,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187541355]
[2024-11-08 17:22:50,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:50,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:50,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:51,124 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2024-11-08 17:22:51,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:51,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1187541355]
[2024-11-08 17:22:51,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1187541355] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:22:51,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259635825]
[2024-11-08 17:22:51,125 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 17:22:51,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:51,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:51,127 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:51,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2024-11-08 17:22:51,237 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-08 17:22:51,237 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:22:51,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 17:22:51,240 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:22:51,304 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2024-11-08 17:22:51,304 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:22:51,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259635825] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:22:51,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 17:22:51,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [17] total 20
[2024-11-08 17:22:51,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194197071]
[2024-11-08 17:22:51,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:22:51,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:22:51,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:51,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:22:51,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380
[2024-11-08 17:22:51,307 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:51,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:51,358 INFO L93 Difference]: Finished difference Result 63 states and 70 transitions.
[2024-11-08 17:22:51,359 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:22:51,359 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 43
[2024-11-08 17:22:51,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:51,360 INFO L225 Difference]: With dead ends: 63
[2024-11-08 17:22:51,360 INFO L226 Difference]: Without dead ends: 62
[2024-11-08 17:22:51,361 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=293, Unknown=0, NotChecked=0, Total=380
[2024-11-08 17:22:51,361 INFO L432 NwaCegarLoop]: 18 mSDtfsCounter, 8 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:51,362 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 64 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:22:51,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2024-11-08 17:22:51,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 56.
[2024-11-08 17:22:51,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 53 states have (on average 1.169811320754717) internal successors, (62), 55 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:51,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions.
[2024-11-08 17:22:51,368 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 43
[2024-11-08 17:22:51,369 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:51,369 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions.
[2024-11-08 17:22:51,369 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:51,369 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions.
[2024-11-08 17:22:51,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45
[2024-11-08 17:22:51,370 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:51,370 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:51,391 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0
[2024-11-08 17:22:51,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:51,575 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:51,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:51,575 INFO L85 PathProgramCache]: Analyzing trace with hash 280862343, now seen corresponding path program 1 times
[2024-11-08 17:22:51,576 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:51,576 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245056188]
[2024-11-08 17:22:51,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:51,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:51,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2024-11-08 17:22:51,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:51,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245056188]
[2024-11-08 17:22:51,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [245056188] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:22:51,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:22:51,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:22:51,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195710481]
[2024-11-08 17:22:51,690 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:22:51,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:22:51,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:51,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:22:51,702 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:22:51,702 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:51,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:51,744 INFO L93 Difference]: Finished difference Result 68 states and 75 transitions.
[2024-11-08 17:22:51,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:22:51,744 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 44
[2024-11-08 17:22:51,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:51,745 INFO L225 Difference]: With dead ends: 68
[2024-11-08 17:22:51,745 INFO L226 Difference]: Without dead ends: 56
[2024-11-08 17:22:51,746 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 17:22:51,746 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:51,747 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 46 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:22:51,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2024-11-08 17:22:51,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50.
[2024-11-08 17:22:51,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 48 states have (on average 1.125) internal successors, (54), 49 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:51,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions.
[2024-11-08 17:22:51,758 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 44
[2024-11-08 17:22:51,758 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:51,759 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions.
[2024-11-08 17:22:51,759 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:51,759 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions.
[2024-11-08 17:22:51,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-11-08 17:22:51,763 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:51,764 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:51,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9
[2024-11-08 17:22:51,764 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:51,764 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:51,765 INFO L85 PathProgramCache]: Analyzing trace with hash -645096060, now seen corresponding path program 1 times
[2024-11-08 17:22:51,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:51,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349630203]
[2024-11-08 17:22:51,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:51,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:51,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:51,924 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2024-11-08 17:22:51,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:51,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349630203]
[2024-11-08 17:22:51,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349630203] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:22:51,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1293508326]
[2024-11-08 17:22:51,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:51,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:51,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:51,928 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:51,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2024-11-08 17:22:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:52,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-08 17:22:52,086 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:22:52,169 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked.
[2024-11-08 17:22:52,169 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:22:52,169 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1293508326] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:22:52,169 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 17:22:52,169 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6
[2024-11-08 17:22:52,170 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886678996]
[2024-11-08 17:22:52,170 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:22:52,170 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:22:52,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:52,171 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:22:52,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:22:52,171 INFO L87 Difference]: Start difference. First operand 50 states and 54 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:52,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:52,189 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions.
[2024-11-08 17:22:52,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:22:52,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45
[2024-11-08 17:22:52,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:52,197 INFO L225 Difference]: With dead ends: 75
[2024-11-08 17:22:52,197 INFO L226 Difference]: Without dead ends: 65
[2024-11-08 17:22:52,197 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2024-11-08 17:22:52,198 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 8 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 48 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:52,198 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 48 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:22:52,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states.
[2024-11-08 17:22:52,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 63.
[2024-11-08 17:22:52,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 61 states have (on average 1.1639344262295082) internal successors, (71), 62 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:52,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 71 transitions.
[2024-11-08 17:22:52,206 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 71 transitions. Word has length 45
[2024-11-08 17:22:52,207 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:52,207 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 71 transitions.
[2024-11-08 17:22:52,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:52,207 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 71 transitions.
[2024-11-08 17:22:52,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46
[2024-11-08 17:22:52,208 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:52,208 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:52,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0
[2024-11-08 17:22:52,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2024-11-08 17:22:52,409 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:52,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:52,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1346160638, now seen corresponding path program 1 times
[2024-11-08 17:22:52,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:52,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456195394]
[2024-11-08 17:22:52,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:52,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:52,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:52,626 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked.
[2024-11-08 17:22:52,626 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:52,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456195394]
[2024-11-08 17:22:52,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456195394] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:22:52,627 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [561508237]
[2024-11-08 17:22:52,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:52,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:52,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:52,629 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:52,636 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2024-11-08 17:22:52,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:52,818 INFO L255 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 18 conjuncts are in the unsatisfiable core
[2024-11-08 17:22:52,822 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:22:53,205 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 17:22:53,206 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:22:53,677 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-08 17:22:53,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [561508237] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:22:53,677 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:22:53,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 17, 17] total 35
[2024-11-08 17:22:53,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [961302219]
[2024-11-08 17:22:53,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:22:53,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states
[2024-11-08 17:22:53,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:53,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants.
[2024-11-08 17:22:53,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190
[2024-11-08 17:22:53,681 INFO L87 Difference]: Start difference. First operand 63 states and 71 transitions. Second operand has 35 states, 35 states have (on average 2.5428571428571427) internal successors, (89), 35 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:53,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:53,921 INFO L93 Difference]: Finished difference Result 153 states and 182 transitions.
[2024-11-08 17:22:53,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states.
[2024-11-08 17:22:53,922 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 35 states have (on average 2.5428571428571427) internal successors, (89), 35 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45
[2024-11-08 17:22:53,922 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:53,923 INFO L225 Difference]: With dead ends: 153
[2024-11-08 17:22:53,923 INFO L226 Difference]: Without dead ends: 121
[2024-11-08 17:22:53,924 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=279, Invalid=911, Unknown=0, NotChecked=0, Total=1190
[2024-11-08 17:22:53,925 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 13 mSDsluCounter, 130 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:53,925 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 145 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:22:53,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states.
[2024-11-08 17:22:53,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 105.
[2024-11-08 17:22:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 103 states have (on average 1.1067961165048543) internal successors, (114), 104 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:53,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 114 transitions.
[2024-11-08 17:22:53,937 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 114 transitions. Word has length 45
[2024-11-08 17:22:53,937 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:53,937 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 114 transitions.
[2024-11-08 17:22:53,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 35 states have (on average 2.5428571428571427) internal successors, (89), 35 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:53,938 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 114 transitions.
[2024-11-08 17:22:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84
[2024-11-08 17:22:53,939 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:53,939 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:53,959 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0
[2024-11-08 17:22:54,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11
[2024-11-08 17:22:54,141 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:54,141 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:54,142 INFO L85 PathProgramCache]: Analyzing trace with hash 1865686593, now seen corresponding path program 1 times
[2024-11-08 17:22:54,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:54,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851100652]
[2024-11-08 17:22:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:54,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:54,314 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 443 trivial. 0 not checked.
[2024-11-08 17:22:54,314 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:54,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851100652]
[2024-11-08 17:22:54,314 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851100652] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:22:54,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:22:54,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:22:54,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682161102]
[2024-11-08 17:22:54,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:22:54,315 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:22:54,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:54,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:22:54,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:22:54,317 INFO L87 Difference]: Start difference. First operand 105 states and 114 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:54,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:54,360 INFO L93 Difference]: Finished difference Result 121 states and 133 transitions.
[2024-11-08 17:22:54,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:22:54,361 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 83
[2024-11-08 17:22:54,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:54,362 INFO L225 Difference]: With dead ends: 121
[2024-11-08 17:22:54,362 INFO L226 Difference]: Without dead ends: 119
[2024-11-08 17:22:54,363 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 17:22:54,363 INFO L432 NwaCegarLoop]: 19 mSDtfsCounter, 8 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:54,364 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 49 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:22:54,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states.
[2024-11-08 17:22:54,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119.
[2024-11-08 17:22:54,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 117 states have (on average 1.1025641025641026) internal successors, (129), 118 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:54,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 129 transitions.
[2024-11-08 17:22:54,374 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 129 transitions. Word has length 83
[2024-11-08 17:22:54,375 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:54,375 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 129 transitions.
[2024-11-08 17:22:54,375 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:54,375 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 129 transitions.
[2024-11-08 17:22:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2024-11-08 17:22:54,376 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:54,377 INFO L215 NwaCegarLoop]: trace histogram [15, 15, 15, 15, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:54,377 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12
[2024-11-08 17:22:54,377 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:54,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:54,377 INFO L85 PathProgramCache]: Analyzing trace with hash 1610534200, now seen corresponding path program 1 times
[2024-11-08 17:22:54,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:54,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146834194]
[2024-11-08 17:22:54,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:54,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:55,740 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-08 17:22:55,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:22:55,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146834194]
[2024-11-08 17:22:55,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146834194] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:22:55,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272446843]
[2024-11-08 17:22:55,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:55,741 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:22:55,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:22:55,742 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:22:55,743 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2024-11-08 17:22:55,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:22:55,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 34 conjuncts are in the unsatisfiable core
[2024-11-08 17:22:55,980 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:22:57,021 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-08 17:22:57,021 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:22:58,315 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-08 17:22:58,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272446843] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:22:58,315 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:22:58,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 95
[2024-11-08 17:22:58,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346275504]
[2024-11-08 17:22:58,316 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:22:58,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 95 states
[2024-11-08 17:22:58,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:22:58,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants.
[2024-11-08 17:22:58,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2109, Invalid=6821, Unknown=0, NotChecked=0, Total=8930
[2024-11-08 17:22:58,322 INFO L87 Difference]: Start difference. First operand 119 states and 129 transitions. Second operand has 95 states, 95 states have (on average 2.1473684210526316) internal successors, (204), 95 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:58,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:22:58,632 INFO L93 Difference]: Finished difference Result 239 states and 274 transitions.
[2024-11-08 17:22:58,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states.
[2024-11-08 17:22:58,632 INFO L78 Accepts]: Start accepts. Automaton has has 95 states, 95 states have (on average 2.1473684210526316) internal successors, (204), 95 states have internal predecessors, (204), 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 89
[2024-11-08 17:22:58,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:22:58,633 INFO L225 Difference]: With dead ends: 239
[2024-11-08 17:22:58,634 INFO L226 Difference]: Without dead ends: 183
[2024-11-08 17:22:58,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4825 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2109, Invalid=6821, Unknown=0, NotChecked=0, Total=8930
[2024-11-08 17:22:58,637 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 177 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 177 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2024-11-08 17:22:58,637 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 150 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 177 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2024-11-08 17:22:58,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states.
[2024-11-08 17:22:58,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183.
[2024-11-08 17:22:58,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 181 states have (on average 1.0662983425414365) internal successors, (193), 182 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:58,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 193 transitions.
[2024-11-08 17:22:58,651 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 193 transitions. Word has length 89
[2024-11-08 17:22:58,651 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:22:58,651 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 193 transitions.
[2024-11-08 17:22:58,652 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 95 states, 95 states have (on average 2.1473684210526316) internal successors, (204), 95 states have internal predecessors, (204), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:22:58,652 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 193 transitions.
[2024-11-08 17:22:58,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154
[2024-11-08 17:22:58,654 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:22:58,654 INFO L215 NwaCegarLoop]: trace histogram [31, 31, 31, 31, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:22:58,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0
[2024-11-08 17:22:58,855 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13
[2024-11-08 17:22:58,855 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:22:58,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:22:58,856 INFO L85 PathProgramCache]: Analyzing trace with hash 504608968, now seen corresponding path program 2 times
[2024-11-08 17:22:58,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:22:58,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144116033]
[2024-11-08 17:22:58,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:22:58,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:22:58,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:23:03,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1904 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-08 17:23:03,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:23:03,000 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144116033]
[2024-11-08 17:23:03,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144116033] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:23:03,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [539006333]
[2024-11-08 17:23:03,001 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-08 17:23:03,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:23:03,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:23:03,004 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:23:03,006 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process
[2024-11-08 17:23:03,367 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-08 17:23:03,367 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:23:03,372 INFO L255 TraceCheckSpWp]: Trace formula consists of 1027 conjuncts, 66 conjuncts are in the unsatisfiable core
[2024-11-08 17:23:03,376 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:23:06,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1904 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-08 17:23:06,066 INFO L311 TraceCheckSpWp]: Computing backward predicates...
[2024-11-08 17:23:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1904 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-08 17:23:10,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [539006333] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-08 17:23:10,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-08 17:23:10,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 65, 65] total 191
[2024-11-08 17:23:10,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950044525]
[2024-11-08 17:23:10,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-08 17:23:10,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 191 states
[2024-11-08 17:23:10,209 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:23:10,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants.
[2024-11-08 17:23:10,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8317, Invalid=27973, Unknown=0, NotChecked=0, Total=36290
[2024-11-08 17:23:10,221 INFO L87 Difference]: Start difference. First operand 183 states and 193 transitions. Second operand has 191 states, 191 states have (on average 2.073298429319372) internal successors, (396), 191 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:23:10,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:23:10,904 INFO L93 Difference]: Finished difference Result 367 states and 418 transitions.
[2024-11-08 17:23:10,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states.
[2024-11-08 17:23:10,905 INFO L78 Accepts]: Start accepts. Automaton has has 191 states, 191 states have (on average 2.073298429319372) internal successors, (396), 191 states have internal predecessors, (396), 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 153
[2024-11-08 17:23:10,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:23:10,907 INFO L225 Difference]: With dead ends: 367
[2024-11-08 17:23:10,907 INFO L226 Difference]: Without dead ends: 311
[2024-11-08 17:23:10,913 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20393 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=8317, Invalid=27973, Unknown=0, NotChecked=0, Total=36290
[2024-11-08 17:23:10,914 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 3 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 347 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 348 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time
[2024-11-08 17:23:10,915 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 192 Invalid, 348 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 347 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time]
[2024-11-08 17:23:10,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states.
[2024-11-08 17:23:10,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311.
[2024-11-08 17:23:10,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 311 states, 309 states have (on average 1.0388349514563107) internal successors, (321), 310 states have internal predecessors, (321), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:23:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 321 transitions.
[2024-11-08 17:23:10,945 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 321 transitions. Word has length 153
[2024-11-08 17:23:10,945 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:23:10,945 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 321 transitions.
[2024-11-08 17:23:10,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 191 states, 191 states have (on average 2.073298429319372) internal successors, (396), 191 states have internal predecessors, (396), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:23:10,946 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 321 transitions.
[2024-11-08 17:23:10,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282
[2024-11-08 17:23:10,950 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:23:10,950 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:23:10,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0
[2024-11-08 17:23:11,151 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14
[2024-11-08 17:23:11,151 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:23:11,152 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:23:11,152 INFO L85 PathProgramCache]: Analyzing trace with hash -1697640472, now seen corresponding path program 3 times
[2024-11-08 17:23:11,152 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:23:11,152 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1797780412]
[2024-11-08 17:23:11,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:23:11,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:23:11,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:23:24,402 INFO L134 CoverageAnalysis]: Checked inductivity of 7888 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2024-11-08 17:23:24,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:23:24,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1797780412]
[2024-11-08 17:23:24,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1797780412] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-08 17:23:24,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [749262668]
[2024-11-08 17:23:24,403 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-08 17:23:24,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:23:24,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:23:24,405 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-08 17:23:24,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process
[2024-11-08 17:23:24,761 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2024-11-08 17:23:24,762 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-08 17:23:24,764 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-08 17:23:24,769 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-08 17:23:24,978 INFO L134 CoverageAnalysis]: Checked inductivity of 7888 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7883 trivial. 0 not checked.
[2024-11-08 17:23:24,978 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-08 17:23:24,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [749262668] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:23:24,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-08 17:23:24,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [129] total 132
[2024-11-08 17:23:24,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115332576]
[2024-11-08 17:23:24,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:23:24,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 17:23:24,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:23:24,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 17:23:24,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4231, Invalid=13061, Unknown=0, NotChecked=0, Total=17292
[2024-11-08 17:23:24,981 INFO L87 Difference]: Start difference. First operand 311 states and 321 transitions. Second operand has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:23:25,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:23:25,032 INFO L93 Difference]: Finished difference Result 311 states and 321 transitions.
[2024-11-08 17:23:25,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:23:25,032 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 281
[2024-11-08 17:23:25,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:23:25,034 INFO L225 Difference]: With dead ends: 311
[2024-11-08 17:23:25,034 INFO L226 Difference]: Without dead ends: 310
[2024-11-08 17:23:25,036 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 279 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4281 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=4231, Invalid=13061, Unknown=0, NotChecked=0, Total=17292
[2024-11-08 17:23:25,037 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:23:25,037 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 58 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:23:25,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 310 states.
[2024-11-08 17:23:25,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 310 to 310.
[2024-11-08 17:23:25,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 309 states have (on average 1.0323624595469256) internal successors, (319), 309 states have internal predecessors, (319), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:23:25,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 319 transitions.
[2024-11-08 17:23:25,056 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 319 transitions. Word has length 281
[2024-11-08 17:23:25,057 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:23:25,057 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 319 transitions.
[2024-11-08 17:23:25,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.0) internal successors, (28), 5 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:23:25,057 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 319 transitions.
[2024-11-08 17:23:25,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283
[2024-11-08 17:23:25,061 INFO L207 NwaCegarLoop]: Found error trace
[2024-11-08 17:23:25,061 INFO L215 NwaCegarLoop]: trace histogram [63, 63, 63, 63, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:23:25,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0
[2024-11-08 17:23:25,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-08 17:23:25,266 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2024-11-08 17:23:25,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:23:25,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1087246971, now seen corresponding path program 1 times
[2024-11-08 17:23:25,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:23:25,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916845461]
[2024-11-08 17:23:25,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:23:25,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:23:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:23:25,640 INFO L134 CoverageAnalysis]: Checked inductivity of 7889 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 7884 trivial. 0 not checked.
[2024-11-08 17:23:25,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:23:25,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916845461]
[2024-11-08 17:23:25,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916845461] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:23:25,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:23:25,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 17:23:25,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1227386133]
[2024-11-08 17:23:25,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:23:25,643 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:23:25,643 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:23:25,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:23:25,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:23:25,644 INFO L87 Difference]: Start difference. First operand 310 states and 319 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:23:25,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-08 17:23:25,683 INFO L93 Difference]: Finished difference Result 310 states and 319 transitions.
[2024-11-08 17:23:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:23:25,684 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 282
[2024-11-08 17:23:25,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2024-11-08 17:23:25,684 INFO L225 Difference]: With dead ends: 310
[2024-11-08 17:23:25,684 INFO L226 Difference]: Without dead ends: 0
[2024-11-08 17:23:25,686 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 17:23:25,688 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 7 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2024-11-08 17:23:25,688 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 40 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2024-11-08 17:23:25,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2024-11-08 17:23:25,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2024-11-08 17:23:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:23:25,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2024-11-08 17:23:25,690 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 282
[2024-11-08 17:23:25,691 INFO L84 Accepts]: Finished accepts. word is rejected.
[2024-11-08 17:23:25,691 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2024-11-08 17:23:25,691 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-08 17:23:25,691 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2024-11-08 17:23:25,691 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2024-11-08 17:23:25,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining)
[2024-11-08 17:23:25,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining)
[2024-11-08 17:23:25,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining)
[2024-11-08 17:23:25,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining)
[2024-11-08 17:23:25,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining)
[2024-11-08 17:23:25,694 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining)
[2024-11-08 17:23:25,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16
[2024-11-08 17:23:25,698 INFO L407 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:23:25,700 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2024-11-08 17:23:27,527 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:23:27,540 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~flag~0
[2024-11-08 17:23:27,541 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~flag~0
[2024-11-08 17:23:27,544 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:23:27 BoogieIcfgContainer
[2024-11-08 17:23:27,545 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:23:27,545 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:23:27,545 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:23:27,546 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:23:27,546 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:22:45" (3/4) ...
[2024-11-08 17:23:27,549 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 17:23:27,557 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-08 17:23:27,558 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-08 17:23:27,559 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-08 17:23:27,559 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 17:23:27,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 17:23:27,671 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 17:23:27,671 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:23:27,672 INFO L158 Benchmark]: Toolchain (without parser) took 43356.13ms. Allocated memory was 127.9MB in the beginning and 1.0GB in the end (delta: 920.6MB). Free memory was 90.7MB in the beginning and 974.0MB in the end (delta: -883.3MB). Peak memory consumption was 40.4MB. Max. memory is 16.1GB.
[2024-11-08 17:23:27,673 INFO L158 Benchmark]: CDTParser took 1.20ms. Allocated memory is still 127.9MB. Free memory was 93.1MB in the beginning and 93.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:23:27,673 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.40ms. Allocated memory is still 127.9MB. Free memory was 90.4MB in the beginning and 77.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2024-11-08 17:23:27,673 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.14ms. Allocated memory is still 127.9MB. Free memory was 77.8MB in the beginning and 76.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:23:27,673 INFO L158 Benchmark]: Boogie Preprocessor took 59.99ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 74.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 17:23:27,674 INFO L158 Benchmark]: RCFGBuilder took 505.21ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 74.0MB in the beginning and 155.8MB in the end (delta: -81.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB.
[2024-11-08 17:23:27,674 INFO L158 Benchmark]: TraceAbstraction took 42252.65ms. Allocated memory was 188.7MB in the beginning and 1.0GB in the end (delta: 859.8MB). Free memory was 155.8MB in the beginning and 978.2MB in the end (delta: -822.4MB). Peak memory consumption was 524.1MB. Max. memory is 16.1GB.
[2024-11-08 17:23:27,675 INFO L158 Benchmark]: Witness Printer took 126.33ms. Allocated memory is still 1.0GB. Free memory was 978.2MB in the beginning and 974.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 17:23:27,678 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.20ms. Allocated memory is still 127.9MB. Free memory was 93.1MB in the beginning and 93.1MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 357.40ms. Allocated memory is still 127.9MB. Free memory was 90.4MB in the beginning and 77.8MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 47.14ms. Allocated memory is still 127.9MB. Free memory was 77.8MB in the beginning and 76.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 59.99ms. Allocated memory is still 127.9MB. Free memory was 76.0MB in the beginning and 74.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 505.21ms. Allocated memory was 127.9MB in the beginning and 188.7MB in the end (delta: 60.8MB). Free memory was 74.0MB in the beginning and 155.8MB in the end (delta: -81.9MB). Peak memory consumption was 19.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 42252.65ms. Allocated memory was 188.7MB in the beginning and 1.0GB in the end (delta: 859.8MB). Free memory was 155.8MB in the beginning and 978.2MB in the end (delta: -822.4MB). Peak memory consumption was 524.1MB. Max. memory is 16.1GB.
* Witness Printer took 126.33ms. Allocated memory is still 1.0GB. Free memory was 978.2MB in the beginning and 974.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~flag~0
- GenericResult: Unfinished Backtranslation
Unfinished Backtranslation: Unknown variable: ~flag~0
* 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: 23]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 23]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 35]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 35]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 42]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 42]: 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, 35 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 40.3s, OverallIterations: 17, TraceHistogramMax: 63, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 82 SdHoareTripleChecker+Valid, 1.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 82 mSDsluCounter, 1727 SdHoareTripleChecker+Invalid, 1.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1317 mSDsCounter, 31 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1219 IncrementalHoareTripleChecker+Invalid, 1250 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 31 mSolverCounterUnsat, 410 mSDtfsCounter, 1219 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1410 GetRequests, 857 SyntacticMatches, 0 SemanticMatches, 553 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30228 ImplicationChecksByTransitivity, 18.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=311occurred in iteration=15, InterpolantAutomatonStates: 311, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 17 MinimizatonAttempts, 48 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 32.1s InterpolantComputationTime, 1922 NumberOfCodeBlocks, 1628 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 2252 ConstructedInterpolants, 0 QuantifiedInterpolants, 7520 SizeOfPredicates, 2 NumberOfNonLiveVariables, 2909 ConjunctsInSsa, 160 ConjunctsInUnsatCore, 35 InterpolantComputations, 10 PerfectInterpolantSequences, 16875/32130 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
6 specifications checked. All of them hold
- InvariantResult [Line: 23]: Loop Invariant
Derived loop invariant: ((((i <= 2147483646) && (size <= 100000)) && (1 <= i)) || ((size == 100000) && (i == 0)))
- InvariantResult [Line: 42]: Loop Invariant
Derived loop invariant: (0 < (2147483649 + i))
- InvariantResult [Line: 35]: Loop Invariant
Derived loop invariant: (0 < (2147483649 + i))
RESULT: Ultimate proved your program to be correct!
[2024-11-08 17:23:27,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_97dcc2f7-0fd5-4b8a-815b-53d561fcc8ef/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE