./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_init6_ground-2.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 0e0057cc
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_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-examples/standard_init6_ground-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme --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 388c926a79a6b5e7bef889b40d9a18e5c4aeb62f40be1f5a1ab2f0fe0344f6c1
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-26 11:45:42,556 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2023-11-26 11:45:42,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2023-11-26 11:45:42,699 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2023-11-26 11:45:42,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-26 11:45:42,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-26 11:45:42,745 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-26 11:45:42,746 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-26 11:45:42,747 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2023-11-26 11:45:42,753 INFO L153 SettingsManager]: * Use memory slicer=true
[2023-11-26 11:45:42,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-26 11:45:42,754 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-26 11:45:42,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-26 11:45:42,756 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2023-11-26 11:45:42,757 INFO L153 SettingsManager]: * Use SBE=true
[2023-11-26 11:45:42,757 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-26 11:45:42,758 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2023-11-26 11:45:42,758 INFO L153 SettingsManager]: * sizeof long=4
[2023-11-26 11:45:42,759 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2023-11-26 11:45:42,759 INFO L153 SettingsManager]: * sizeof POINTER=4
[2023-11-26 11:45:42,760 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2023-11-26 11:45:42,760 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2023-11-26 11:45:42,761 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-26 11:45:42,761 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2023-11-26 11:45:42,762 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true
[2023-11-26 11:45:42,762 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2023-11-26 11:45:42,763 INFO L153 SettingsManager]: * sizeof long double=12
[2023-11-26 11:45:42,763 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2023-11-26 11:45:42,763 INFO L153 SettingsManager]: * Use constant arrays=true
[2023-11-26 11:45:42,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-26 11:45:42,766 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2023-11-26 11:45:42,766 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2023-11-26 11:45:42,766 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2023-11-26 11:45:42,767 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:45:42,767 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-26 11:45:42,767 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2023-11-26 11:45:42,768 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-26 11:45:42,768 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2023-11-26 11:45:42,768 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-26 11:45:42,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-26 11:45:42,769 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-26 11:45:42,769 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-26 11:45:42,770 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2023-11-26 11:45:42,770 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-26 11:45:42,770 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_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 388c926a79a6b5e7bef889b40d9a18e5c4aeb62f40be1f5a1ab2f0fe0344f6c1
[2023-11-26 11:45:43,110 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-26 11:45:43,133 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-26 11:45:43,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-26 11:45:43,138 INFO L270 PluginConnector]: Initializing CDTParser...
[2023-11-26 11:45:43,139 INFO L274 PluginConnector]: CDTParser initialized
[2023-11-26 11:45:43,140 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/array-examples/standard_init6_ground-2.i
[2023-11-26 11:45:46,645 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2023-11-26 11:45:46,895 INFO L384 CDTParser]: Found 1 translation units.
[2023-11-26 11:45:46,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/sv-benchmarks/c/array-examples/standard_init6_ground-2.i
[2023-11-26 11:45:46,905 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/data/1ec8586b7/614075ff467048ad95153b3e191d7da1/FLAGbdb97aa04
[2023-11-26 11:45:46,924 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/data/1ec8586b7/614075ff467048ad95153b3e191d7da1
[2023-11-26 11:45:46,927 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-26 11:45:46,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-26 11:45:46,931 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-26 11:45:46,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-26 11:45:46,940 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-26 11:45:46,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:46" (1/1) ...
[2023-11-26 11:45:46,943 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6885eeea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:46, skipping insertion in model container
[2023-11-26 11:45:46,943 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:45:46" (1/1) ...
[2023-11-26 11:45:46,973 INFO L177 MainTranslator]: Built tables and reachable declarations
[2023-11-26 11:45:47,189 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:45:47,200 INFO L202 MainTranslator]: Completed pre-run
[2023-11-26 11:45:47,233 INFO L209 PostProcessor]: Analyzing one entry point: main
[2023-11-26 11:45:47,249 INFO L206 MainTranslator]: Completed translation
[2023-11-26 11:45:47,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47 WrapperNode
[2023-11-26 11:45:47,249 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-26 11:45:47,251 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-26 11:45:47,251 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-26 11:45:47,252 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-26 11:45:47,263 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,285 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,312 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91
[2023-11-26 11:45:47,313 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-26 11:45:47,314 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-26 11:45:47,314 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-26 11:45:47,314 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2023-11-26 11:45:47,326 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,327 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,329 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,345 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 6 writes are split as follows [0, 6].
[2023-11-26 11:45:47,346 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,346 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,378 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,380 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,381 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-26 11:45:47,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-26 11:45:47,385 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2023-11-26 11:45:47,386 INFO L274 PluginConnector]: RCFGBuilder initialized
[2023-11-26 11:45:47,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (1/1) ...
[2023-11-26 11:45:47,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2023-11-26 11:45:47,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:45:47,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2023-11-26 11:45:47,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2023-11-26 11:45:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-26 11:45:47,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-26 11:45:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-11-26 11:45:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-26 11:45:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2023-11-26 11:45:47,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2023-11-26 11:45:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-26 11:45:47,492 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-26 11:45:47,492 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2023-11-26 11:45:47,494 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2023-11-26 11:45:47,495 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-26 11:45:47,581 INFO L241 CfgBuilder]: Building ICFG
[2023-11-26 11:45:47,584 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-26 11:45:47,824 INFO L282 CfgBuilder]: Performing block encoding
[2023-11-26 11:45:47,867 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-26 11:45:47,867 INFO L309 CfgBuilder]: Removed 7 assume(true) statements.
[2023-11-26 11:45:47,868 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:47 BoogieIcfgContainer
[2023-11-26 11:45:47,868 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-26 11:45:47,872 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-26 11:45:47,873 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2023-11-26 11:45:47,878 INFO L274 PluginConnector]: TraceAbstraction initialized
[2023-11-26 11:45:47,878 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:45:46" (1/3) ...
[2023-11-26 11:45:47,879 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3ea825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:47, skipping insertion in model container
[2023-11-26 11:45:47,880 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:45:47" (2/3) ...
[2023-11-26 11:45:47,880 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6e3ea825 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:45:47, skipping insertion in model container
[2023-11-26 11:45:47,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:47" (3/3) ...
[2023-11-26 11:45:47,882 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init6_ground-2.i
[2023-11-26 11:45:47,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-26 11:45:47,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 14 error locations.
[2023-11-26 11:45:47,974 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-26 11:45:47,984 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2476232a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-26 11:45:47,984 INFO L358 AbstractCegarLoop]: Starting to check reachability of 14 error locations.
[2023-11-26 11:45:47,991 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 33 states have (on average 1.9090909090909092) internal successors, (63), 47 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)
[2023-11-26 11:45:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2023-11-26 11:45:48,001 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:45:48,002 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1]
[2023-11-26 11:45:48,002 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-26 11:45:48,012 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:45:48,012 INFO L85 PathProgramCache]: Analyzing trace with hash 170450, now seen corresponding path program 1 times
[2023-11-26 11:45:48,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:45:48,026 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [800458585]
[2023-11-26 11:45:48,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:48,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:45:48,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:48,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:45:48,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:45:48,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [800458585]
[2023-11-26 11:45:48,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [800458585] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:45:48,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:45:48,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-11-26 11:45:48,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784600563]
[2023-11-26 11:45:48,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:45:48,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:45:48,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:45:48,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:45:48,497 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:45:48,500 INFO L87 Difference]: Start difference. First operand has 48 states, 33 states have (on average 1.9090909090909092) internal successors, (63), 47 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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)
[2023-11-26 11:45:48,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:45:48,733 INFO L93 Difference]: Finished difference Result 109 states and 159 transitions.
[2023-11-26 11:45:48,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:45:48,736 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3
[2023-11-26 11:45:48,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:45:48,746 INFO L225 Difference]: With dead ends: 109
[2023-11-26 11:45:48,747 INFO L226 Difference]: Without dead ends: 62
[2023-11-26 11:45:48,750 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:45:48,755 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 11 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-26 11:45:48,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 39 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-26 11:45:48,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states.
[2023-11-26 11:45:48,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62.
[2023-11-26 11:45:48,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 48 states have (on average 1.4166666666666667) internal successors, (68), 61 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:45:48,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 68 transitions.
[2023-11-26 11:45:48,825 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 68 transitions. Word has length 3
[2023-11-26 11:45:48,826 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:45:48,826 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 68 transitions.
[2023-11-26 11:45:48,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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)
[2023-11-26 11:45:48,830 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 68 transitions.
[2023-11-26 11:45:48,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7
[2023-11-26 11:45:48,831 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:45:48,831 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1]
[2023-11-26 11:45:48,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-26 11:45:48,832 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-26 11:45:48,836 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:45:48,836 INFO L85 PathProgramCache]: Analyzing trace with hash 782953213, now seen corresponding path program 1 times
[2023-11-26 11:45:48,837 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:45:48,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [969226334]
[2023-11-26 11:45:48,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:48,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:45:48,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:49,008 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:45:49,009 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:45:49,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [969226334]
[2023-11-26 11:45:49,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [969226334] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:45:49,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1951146862]
[2023-11-26 11:45:49,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:49,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:45:49,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:45:49,015 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:45:49,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-26 11:45:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:49,111 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-26 11:45:49,117 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:45:49,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-26 11:45:49,193 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:45:49,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1951146862] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:45:49,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-26 11:45:49,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3
[2023-11-26 11:45:49,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717177165]
[2023-11-26 11:45:49,196 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:45:49,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 11:45:49,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:45:49,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 11:45:49,198 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:45:49,198 INFO L87 Difference]: Start difference. First operand 62 states and 68 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2023-11-26 11:45:49,361 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:45:49,361 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions.
[2023-11-26 11:45:49,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 11:45:49,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6
[2023-11-26 11:45:49,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:45:49,365 INFO L225 Difference]: With dead ends: 62
[2023-11-26 11:45:49,365 INFO L226 Difference]: Without dead ends: 56
[2023-11-26 11:45:49,366 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:45:49,368 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 41 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 11:45:49,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 12 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 11:45:49,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states.
[2023-11-26 11:45:49,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56.
[2023-11-26 11:45:49,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 48 states have (on average 1.2916666666666667) 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)
[2023-11-26 11:45:49,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 62 transitions.
[2023-11-26 11:45:49,380 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 62 transitions. Word has length 6
[2023-11-26 11:45:49,380 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:45:49,381 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 62 transitions.
[2023-11-26 11:45:49,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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)
[2023-11-26 11:45:49,381 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 62 transitions.
[2023-11-26 11:45:49,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-11-26 11:45:49,382 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:45:49,382 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1]
[2023-11-26 11:45:49,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-26 11:45:49,588 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-11-26 11:45:49,589 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-26 11:45:49,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:45:49,589 INFO L85 PathProgramCache]: Analyzing trace with hash -1498254128, now seen corresponding path program 1 times
[2023-11-26 11:45:49,590 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:45:49,590 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233768869]
[2023-11-26 11:45:49,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:49,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:45:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:49,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2023-11-26 11:45:49,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:45:49,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233768869]
[2023-11-26 11:45:49,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233768869] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:45:49,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:45:49,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-26 11:45:49,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447525894]
[2023-11-26 11:45:49,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:45:49,663 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-26 11:45:49,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:45:49,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-26 11:45:49,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:45:49,664 INFO L87 Difference]: Start difference. First operand 56 states and 62 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:45:49,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:45:49,730 INFO L93 Difference]: Finished difference Result 56 states and 62 transitions.
[2023-11-26 11:45:49,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2023-11-26 11:45:49,731 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-11-26 11:45:49,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:45:49,732 INFO L225 Difference]: With dead ends: 56
[2023-11-26 11:45:49,732 INFO L226 Difference]: Without dead ends: 50
[2023-11-26 11:45:49,733 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-26 11:45:49,738 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-26 11:45:49,740 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 25 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-26 11:45:49,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states.
[2023-11-26 11:45:49,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 38.
[2023-11-26 11:45:49,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 36 states have (on average 1.2222222222222223) internal successors, (44), 37 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)
[2023-11-26 11:45:49,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions.
[2023-11-26 11:45:49,760 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 7
[2023-11-26 11:45:49,760 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:45:49,761 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions.
[2023-11-26 11:45:49,761 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:45:49,762 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions.
[2023-11-26 11:45:49,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-11-26 11:45:49,763 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:45:49,763 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:45:49,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-26 11:45:49,764 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-26 11:45:49,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:45:49,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1535092188, now seen corresponding path program 1 times
[2023-11-26 11:45:49,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:45:49,766 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1786965375]
[2023-11-26 11:45:49,766 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:49,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:45:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:49,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-26 11:45:49,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:45:49,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1786965375]
[2023-11-26 11:45:49,942 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1786965375] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:45:49,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1365860767]
[2023-11-26 11:45:49,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:49,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:45:49,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:45:49,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:45:49,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-26 11:45:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:50,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-26 11:45:50,037 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:45:50,069 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-26 11:45:50,069 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 11:45:50,113 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-11-26 11:45:50,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1365860767] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 11:45:50,115 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-26 11:45:50,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2023-11-26 11:45:50,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1428305549]
[2023-11-26 11:45:50,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-26 11:45:50,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-26 11:45:50,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:45:50,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-26 11:45:50,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-26 11:45:50,127 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 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)
[2023-11-26 11:45:50,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:45:50,367 INFO L93 Difference]: Finished difference Result 125 states and 154 transitions.
[2023-11-26 11:45:50,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2023-11-26 11:45:50,377 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 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) Word has length 35
[2023-11-26 11:45:50,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:45:50,384 INFO L225 Difference]: With dead ends: 125
[2023-11-26 11:45:50,384 INFO L226 Difference]: Without dead ends: 92
[2023-11-26 11:45:50,385 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2023-11-26 11:45:50,388 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 94 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 67 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 154 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 67 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-26 11:45:50,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 25 Invalid, 154 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [67 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-26 11:45:50,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states.
[2023-11-26 11:45:50,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92.
[2023-11-26 11:45:50,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 90 states have (on average 1.0888888888888888) internal successors, (98), 91 states have internal predecessors, (98), 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)
[2023-11-26 11:45:50,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 98 transitions.
[2023-11-26 11:45:50,412 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 98 transitions. Word has length 35
[2023-11-26 11:45:50,412 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:45:50,412 INFO L495 AbstractCegarLoop]: Abstraction has 92 states and 98 transitions.
[2023-11-26 11:45:50,415 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 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)
[2023-11-26 11:45:50,416 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 98 transitions.
[2023-11-26 11:45:50,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90
[2023-11-26 11:45:50,426 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:45:50,427 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:45:50,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-26 11:45:50,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:45:50,633 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-26 11:45:50,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:45:50,634 INFO L85 PathProgramCache]: Analyzing trace with hash -601940371, now seen corresponding path program 2 times
[2023-11-26 11:45:50,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:45:50,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880534774]
[2023-11-26 11:45:50,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:50,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:45:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:50,954 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked.
[2023-11-26 11:45:50,954 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:45:50,954 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880534774]
[2023-11-26 11:45:50,955 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880534774] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:45:50,955 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:45:50,955 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:45:50,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10868459]
[2023-11-26 11:45:50,955 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:45:50,956 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 11:45:50,956 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:45:50,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 11:45:50,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-26 11:45:50,957 INFO L87 Difference]: Start difference. First operand 92 states and 98 transitions. Second operand has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:45:50,988 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:45:50,989 INFO L93 Difference]: Finished difference Result 99 states and 105 transitions.
[2023-11-26 11:45:50,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 11:45:50,989 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 89
[2023-11-26 11:45:50,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:45:50,991 INFO L225 Difference]: With dead ends: 99
[2023-11-26 11:45:50,991 INFO L226 Difference]: Without dead ends: 97
[2023-11-26 11:45:50,991 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:45:50,992 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 3 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 97 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:45:50,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 97 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:45:50,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states.
[2023-11-26 11:45:51,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97.
[2023-11-26 11:45:51,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 95 states have (on average 1.0842105263157895) internal successors, (103), 96 states have internal predecessors, (103), 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)
[2023-11-26 11:45:51,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 103 transitions.
[2023-11-26 11:45:51,004 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 103 transitions. Word has length 89
[2023-11-26 11:45:51,005 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:45:51,005 INFO L495 AbstractCegarLoop]: Abstraction has 97 states and 103 transitions.
[2023-11-26 11:45:51,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.666666666666666) internal successors, (35), 4 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-26 11:45:51,005 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 103 transitions.
[2023-11-26 11:45:51,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95
[2023-11-26 11:45:51,007 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:45:51,007 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:45:51,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-26 11:45:51,008 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-26 11:45:51,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:45:51,009 INFO L85 PathProgramCache]: Analyzing trace with hash -739387272, now seen corresponding path program 1 times
[2023-11-26 11:45:51,009 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:45:51,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [3601122]
[2023-11-26 11:45:51,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:51,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:45:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:51,341 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.
[2023-11-26 11:45:51,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:45:51,341 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [3601122]
[2023-11-26 11:45:51,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [3601122] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:45:51,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033839681]
[2023-11-26 11:45:51,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:51,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:45:51,342 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:45:51,352 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:45:51,384 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-26 11:45:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:51,511 INFO L262 TraceCheckSpWp]: Trace formula consists of 290 conjuncts, 6 conjunts are in the unsatisfiable core
[2023-11-26 11:45:51,520 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:45:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.
[2023-11-26 11:45:51,591 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 11:45:51,698 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked.
[2023-11-26 11:45:51,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033839681] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 11:45:51,699 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-26 11:45:51,699 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12
[2023-11-26 11:45:51,699 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505232284]
[2023-11-26 11:45:51,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-26 11:45:51,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2023-11-26 11:45:51,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:45:51,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2023-11-26 11:45:51,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2023-11-26 11:45:51,705 INFO L87 Difference]: Start difference. First operand 97 states and 103 transitions. Second operand has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 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)
[2023-11-26 11:45:52,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:45:52,263 INFO L93 Difference]: Finished difference Result 288 states and 335 transitions.
[2023-11-26 11:45:52,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2023-11-26 11:45:52,264 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 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 94
[2023-11-26 11:45:52,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:45:52,268 INFO L225 Difference]: With dead ends: 288
[2023-11-26 11:45:52,268 INFO L226 Difference]: Without dead ends: 205
[2023-11-26 11:45:52,270 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2023-11-26 11:45:52,272 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 174 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 122 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 174 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 356 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 122 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time
[2023-11-26 11:45:52,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [174 Valid, 46 Invalid, 356 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [122 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time]
[2023-11-26 11:45:52,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states.
[2023-11-26 11:45:52,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205.
[2023-11-26 11:45:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 203 states have (on average 1.0394088669950738) internal successors, (211), 204 states have internal predecessors, (211), 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)
[2023-11-26 11:45:52,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 211 transitions.
[2023-11-26 11:45:52,324 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 211 transitions. Word has length 94
[2023-11-26 11:45:52,324 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:45:52,324 INFO L495 AbstractCegarLoop]: Abstraction has 205 states and 211 transitions.
[2023-11-26 11:45:52,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 4.923076923076923) internal successors, (64), 12 states have internal predecessors, (64), 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)
[2023-11-26 11:45:52,325 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 211 transitions.
[2023-11-26 11:45:52,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203
[2023-11-26 11:45:52,338 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:45:52,338 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:45:52,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-26 11:45:52,546 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:45:52,546 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-26 11:45:52,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:45:52,547 INFO L85 PathProgramCache]: Analyzing trace with hash 595926232, now seen corresponding path program 2 times
[2023-11-26 11:45:52,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:45:52,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417127357]
[2023-11-26 11:45:52,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:52,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:45:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked.
[2023-11-26 11:45:53,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:45:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417127357]
[2023-11-26 11:45:53,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417127357] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:45:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [849487603]
[2023-11-26 11:45:53,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-26 11:45:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:45:53,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:45:53,461 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:45:53,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-26 11:45:53,756 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-26 11:45:53,756 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-26 11:45:53,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 614 conjuncts, 12 conjunts are in the unsatisfiable core
[2023-11-26 11:45:53,774 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:45:53,883 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked.
[2023-11-26 11:45:53,883 INFO L327 TraceCheckSpWp]: Computing backward predicates...
[2023-11-26 11:45:54,216 INFO L134 CoverageAnalysis]: Checked inductivity of 874 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 729 trivial. 0 not checked.
[2023-11-26 11:45:54,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [849487603] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-26 11:45:54,217 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-11-26 11:45:54,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24
[2023-11-26 11:45:54,218 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962584378]
[2023-11-26 11:45:54,218 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-11-26 11:45:54,219 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2023-11-26 11:45:54,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:45:54,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2023-11-26 11:45:54,222 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600
[2023-11-26 11:45:54,222 INFO L87 Difference]: Start difference. First operand 205 states and 211 transitions. Second operand has 25 states, 25 states have (on average 4.0) internal successors, (100), 24 states have internal predecessors, (100), 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)
[2023-11-26 11:45:55,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:45:55,206 INFO L93 Difference]: Finished difference Result 594 states and 677 transitions.
[2023-11-26 11:45:55,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states.
[2023-11-26 11:45:55,207 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.0) internal successors, (100), 24 states have internal predecessors, (100), 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 202
[2023-11-26 11:45:55,208 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:45:55,211 INFO L225 Difference]: With dead ends: 594
[2023-11-26 11:45:55,211 INFO L226 Difference]: Without dead ends: 421
[2023-11-26 11:45:55,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 391 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600
[2023-11-26 11:45:55,215 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 554 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 450 mSolverCounterSat, 342 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 554 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 792 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 342 IncrementalHoareTripleChecker+Valid, 450 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time
[2023-11-26 11:45:55,215 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [554 Valid, 46 Invalid, 792 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [342 Valid, 450 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time]
[2023-11-26 11:45:55,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states.
[2023-11-26 11:45:55,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 421.
[2023-11-26 11:45:55,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 419 states have (on average 1.0190930787589498) internal successors, (427), 420 states have internal predecessors, (427), 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)
[2023-11-26 11:45:55,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 427 transitions.
[2023-11-26 11:45:55,248 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 427 transitions. Word has length 202
[2023-11-26 11:45:55,248 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:45:55,249 INFO L495 AbstractCegarLoop]: Abstraction has 421 states and 427 transitions.
[2023-11-26 11:45:55,249 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.0) internal successors, (100), 24 states have internal predecessors, (100), 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)
[2023-11-26 11:45:55,249 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 427 transitions.
[2023-11-26 11:45:55,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419
[2023-11-26 11:45:55,258 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:45:55,258 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:45:55,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0
[2023-11-26 11:45:55,466 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:45:55,466 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-26 11:45:55,466 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:45:55,467 INFO L85 PathProgramCache]: Analyzing trace with hash -531608168, now seen corresponding path program 3 times
[2023-11-26 11:45:55,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:45:55,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070461652]
[2023-11-26 11:45:55,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:55,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:45:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:58,553 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 3579 trivial. 0 not checked.
[2023-11-26 11:45:58,553 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:45:58,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070461652]
[2023-11-26 11:45:58,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070461652] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-26 11:45:58,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1685054453]
[2023-11-26 11:45:58,554 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-26 11:45:58,554 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:45:58,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3
[2023-11-26 11:45:58,559 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-26 11:45:58,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-26 11:45:58,856 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-11-26 11:45:58,856 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-26 11:45:58,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-26 11:45:58,885 INFO L285 TraceCheckSpWp]: Computing forward predicates...
[2023-11-26 11:45:58,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4294 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4290 trivial. 0 not checked.
[2023-11-26 11:45:58,994 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-26 11:45:58,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1685054453] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:45:58,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-26 11:45:58,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [24] total 28
[2023-11-26 11:45:58,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414962525]
[2023-11-26 11:45:58,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:45:58,997 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-26 11:45:58,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:45:58,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-26 11:45:59,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756
[2023-11-26 11:45:59,001 INFO L87 Difference]: Start difference. First operand 421 states and 427 transitions. Second operand has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 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)
[2023-11-26 11:45:59,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:45:59,056 INFO L93 Difference]: Finished difference Result 421 states and 427 transitions.
[2023-11-26 11:45:59,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 11:45:59,056 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 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 418
[2023-11-26 11:45:59,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:45:59,064 INFO L225 Difference]: With dead ends: 421
[2023-11-26 11:45:59,064 INFO L226 Difference]: Without dead ends: 420
[2023-11-26 11:45:59,065 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 416 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=312, Invalid=500, Unknown=0, NotChecked=0, Total=812
[2023-11-26 11:45:59,067 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 6 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:45:59,068 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 91 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:45:59,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states.
[2023-11-26 11:45:59,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 420.
[2023-11-26 11:45:59,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 420 states, 419 states have (on average 1.0167064439140812) internal successors, (426), 419 states have internal predecessors, (426), 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)
[2023-11-26 11:45:59,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 426 transitions.
[2023-11-26 11:45:59,098 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 426 transitions. Word has length 418
[2023-11-26 11:45:59,100 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:45:59,100 INFO L495 AbstractCegarLoop]: Abstraction has 420 states and 426 transitions.
[2023-11-26 11:45:59,100 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.0) internal successors, (40), 5 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)
[2023-11-26 11:45:59,101 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 426 transitions.
[2023-11-26 11:45:59,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420
[2023-11-26 11:45:59,110 INFO L187 NwaCegarLoop]: Found error trace
[2023-11-26 11:45:59,110 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-26 11:45:59,123 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-26 11:45:59,323 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-26 11:45:59,324 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2023-11-26 11:45:59,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2023-11-26 11:45:59,325 INFO L85 PathProgramCache]: Analyzing trace with hash 700016140, now seen corresponding path program 1 times
[2023-11-26 11:45:59,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-26 11:45:59,325 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1407388038]
[2023-11-26 11:45:59,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-26 11:45:59,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-26 11:45:59,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-26 11:45:59,863 INFO L134 CoverageAnalysis]: Checked inductivity of 4295 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4291 trivial. 0 not checked.
[2023-11-26 11:45:59,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-26 11:45:59,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1407388038]
[2023-11-26 11:45:59,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1407388038] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-26 11:45:59,864 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-26 11:45:59,864 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-26 11:45:59,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534403983]
[2023-11-26 11:45:59,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-26 11:45:59,866 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-26 11:45:59,866 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-26 11:45:59,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-26 11:45:59,867 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-26 11:45:59,867 INFO L87 Difference]: Start difference. First operand 420 states and 426 transitions. Second operand has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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)
[2023-11-26 11:45:59,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-26 11:45:59,910 INFO L93 Difference]: Finished difference Result 420 states and 426 transitions.
[2023-11-26 11:45:59,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2023-11-26 11:45:59,911 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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 419
[2023-11-26 11:45:59,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-26 11:45:59,912 INFO L225 Difference]: With dead ends: 420
[2023-11-26 11:45:59,912 INFO L226 Difference]: Without dead ends: 0
[2023-11-26 11:45:59,916 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-26 11:45:59,919 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 2 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-26 11:45:59,920 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 91 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-26 11:45:59,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-26 11:45:59,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-26 11:45:59,921 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)
[2023-11-26 11:45:59,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-26 11:45:59,921 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 419
[2023-11-26 11:45:59,922 INFO L84 Accepts]: Finished accepts. word is rejected.
[2023-11-26 11:45:59,922 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-26 11:45:59,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.666666666666666) internal successors, (41), 4 states have internal predecessors, (41), 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)
[2023-11-26 11:45:59,922 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-26 11:45:59,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-26 11:45:59,926 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 14 remaining)
[2023-11-26 11:45:59,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 14 remaining)
[2023-11-26 11:45:59,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 14 remaining)
[2023-11-26 11:45:59,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 14 remaining)
[2023-11-26 11:45:59,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 14 remaining)
[2023-11-26 11:45:59,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 14 remaining)
[2023-11-26 11:45:59,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 14 remaining)
[2023-11-26 11:45:59,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 14 remaining)
[2023-11-26 11:45:59,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 14 remaining)
[2023-11-26 11:45:59,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 14 remaining)
[2023-11-26 11:45:59,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 14 remaining)
[2023-11-26 11:45:59,929 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 14 remaining)
[2023-11-26 11:45:59,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 14 remaining)
[2023-11-26 11:45:59,930 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 14 remaining)
[2023-11-26 11:45:59,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-26 11:45:59,933 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-26 11:46:00,160 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed.
[2023-11-26 11:46:00,161 INFO L895 garLoopResultBuilder]: At program point L27-2(lines 27 30) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0))
[2023-11-26 11:46:00,161 INFO L899 garLoopResultBuilder]: For program point L27-3(lines 27 30) no Hoare annotation was computed.
[2023-11-26 11:46:00,162 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed.
[2023-11-26 11:46:00,162 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed.
[2023-11-26 11:46:00,162 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed.
[2023-11-26 11:46:00,162 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed.
[2023-11-26 11:46:00,162 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed.
[2023-11-26 11:46:00,163 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2023-11-26 11:46:00,163 INFO L899 garLoopResultBuilder]: For program point L12(line 12) no Hoare annotation was computed.
[2023-11-26 11:46:00,163 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed.
[2023-11-26 11:46:00,163 INFO L899 garLoopResultBuilder]: For program point L12-2(line 12) no Hoare annotation was computed.
[2023-11-26 11:46:00,164 INFO L895 garLoopResultBuilder]: At program point L37-2(lines 37 40) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0))
[2023-11-26 11:46:00,164 INFO L899 garLoopResultBuilder]: For program point L37-3(lines 37 40) no Hoare annotation was computed.
[2023-11-26 11:46:00,164 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed.
[2023-11-26 11:46:00,164 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed.
[2023-11-26 11:46:00,166 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed.
[2023-11-26 11:46:00,166 INFO L899 garLoopResultBuilder]: For program point L13(line 13) no Hoare annotation was computed.
[2023-11-26 11:46:00,166 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed.
[2023-11-26 11:46:00,166 INFO L899 garLoopResultBuilder]: For program point L13-3(line 13) no Hoare annotation was computed.
[2023-11-26 11:46:00,167 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-26 11:46:00,167 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 25) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0))
[2023-11-26 11:46:00,167 INFO L899 garLoopResultBuilder]: For program point L22-3(lines 22 25) no Hoare annotation was computed.
[2023-11-26 11:46:00,167 INFO L899 garLoopResultBuilder]: For program point L47-3(line 47) no Hoare annotation was computed.
[2023-11-26 11:46:00,167 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed.
[2023-11-26 11:46:00,168 INFO L899 garLoopResultBuilder]: For program point L47-4(line 47) no Hoare annotation was computed.
[2023-11-26 11:46:00,169 INFO L895 garLoopResultBuilder]: At program point L47-5(lines 47 49) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 0 (+ |ULTIMATE.start_main_~x~0#1| 2147483648)))
[2023-11-26 11:46:00,169 INFO L899 garLoopResultBuilder]: For program point L47-6(lines 47 49) no Hoare annotation was computed.
[2023-11-26 11:46:00,169 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed.
[2023-11-26 11:46:00,169 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed.
[2023-11-26 11:46:00,169 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed.
[2023-11-26 11:46:00,170 INFO L895 garLoopResultBuilder]: At program point L32-2(lines 32 35) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0))
[2023-11-26 11:46:00,170 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2023-11-26 11:46:00,170 INFO L899 garLoopResultBuilder]: For program point L32-3(lines 32 35) no Hoare annotation was computed.
[2023-11-26 11:46:00,170 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed.
[2023-11-26 11:46:00,171 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed.
[2023-11-26 11:46:00,171 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed.
[2023-11-26 11:46:00,171 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-26 11:46:00,172 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed.
[2023-11-26 11:46:00,172 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 47) no Hoare annotation was computed.
[2023-11-26 11:46:00,173 INFO L895 garLoopResultBuilder]: At program point L17-2(lines 17 20) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0))
[2023-11-26 11:46:00,174 INFO L899 garLoopResultBuilder]: For program point L17-3(lines 17 20) no Hoare annotation was computed.
[2023-11-26 11:46:00,175 INFO L895 garLoopResultBuilder]: At program point L42-2(lines 42 45) the Hoare annotation is: (or (< 0 |ULTIMATE.start_main_~i~0#1|) (= |ULTIMATE.start_main_~i~0#1| 0))
[2023-11-26 11:46:00,175 INFO L899 garLoopResultBuilder]: For program point L42-3(lines 42 45) no Hoare annotation was computed.
[2023-11-26 11:46:00,175 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed.
[2023-11-26 11:46:00,175 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed.
[2023-11-26 11:46:00,176 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed.
[2023-11-26 11:46:00,176 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed.
[2023-11-26 11:46:00,180 INFO L445 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1]
[2023-11-26 11:46:00,183 INFO L178 ceAbstractionStarter]: Computing trace abstraction results
[2023-11-26 11:46:00,202 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:46:00 BoogieIcfgContainer
[2023-11-26 11:46:00,202 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-26 11:46:00,203 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-26 11:46:00,203 INFO L270 PluginConnector]: Initializing Witness Printer...
[2023-11-26 11:46:00,203 INFO L274 PluginConnector]: Witness Printer initialized
[2023-11-26 11:46:00,204 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:45:47" (3/4) ...
[2023-11-26 11:46:00,207 INFO L137 WitnessPrinter]: Generating witness for correct program
[2023-11-26 11:46:00,221 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges
[2023-11-26 11:46:00,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-26 11:46:00,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-11-26 11:46:00,222 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-26 11:46:00,393 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/witness.graphml
[2023-11-26 11:46:00,394 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/witness.yml
[2023-11-26 11:46:00,394 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-26 11:46:00,395 INFO L158 Benchmark]: Toolchain (without parser) took 13465.54ms. Allocated memory was 201.3MB in the beginning and 318.8MB in the end (delta: 117.4MB). Free memory was 156.9MB in the beginning and 254.7MB in the end (delta: -97.8MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB.
[2023-11-26 11:46:00,395 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 77.1MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-26 11:46:00,396 INFO L158 Benchmark]: CACSL2BoogieTranslator took 318.49ms. Allocated memory is still 201.3MB. Free memory was 156.9MB in the beginning and 146.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2023-11-26 11:46:00,397 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.32ms. Allocated memory is still 201.3MB. Free memory was 146.3MB in the beginning and 144.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-26 11:46:00,397 INFO L158 Benchmark]: Boogie Preprocessor took 70.40ms. Allocated memory is still 201.3MB. Free memory was 144.6MB in the beginning and 142.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-26 11:46:00,398 INFO L158 Benchmark]: RCFGBuilder took 483.34ms. Allocated memory is still 201.3MB. Free memory was 142.6MB in the beginning and 128.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2023-11-26 11:46:00,399 INFO L158 Benchmark]: TraceAbstraction took 12330.08ms. Allocated memory was 201.3MB in the beginning and 318.8MB in the end (delta: 117.4MB). Free memory was 128.3MB in the beginning and 259.9MB in the end (delta: -131.7MB). Peak memory consumption was 146.6MB. Max. memory is 16.1GB.
[2023-11-26 11:46:00,400 INFO L158 Benchmark]: Witness Printer took 191.23ms. Allocated memory is still 318.8MB. Free memory was 259.9MB in the beginning and 254.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-26 11:46:00,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 125.8MB. Free memory was 77.2MB in the beginning and 77.1MB in the end (delta: 134.3kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 318.49ms. Allocated memory is still 201.3MB. Free memory was 156.9MB in the beginning and 146.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 62.32ms. Allocated memory is still 201.3MB. Free memory was 146.3MB in the beginning and 144.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 70.40ms. Allocated memory is still 201.3MB. Free memory was 144.6MB in the beginning and 142.6MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 483.34ms. Allocated memory is still 201.3MB. Free memory was 142.6MB in the beginning and 128.9MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 12330.08ms. Allocated memory was 201.3MB in the beginning and 318.8MB in the end (delta: 117.4MB). Free memory was 128.3MB in the beginning and 259.9MB in the end (delta: -131.7MB). Peak memory consumption was 146.6MB. Max. memory is 16.1GB.
* Witness Printer took 191.23ms. Allocated memory is still 318.8MB. Free memory was 259.9MB in the beginning and 254.7MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: ErrorAutomatonStatistics
NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 19]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 24]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 29]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 34]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 34]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 39]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 39]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 44]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 44]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 47]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 47]: 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, 48 locations, 14 error locations. Started 1 CEGAR loops. OverallTime: 12.2s, OverallIterations: 9, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 2.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 895 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 895 mSDsluCounter, 472 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 262 mSDsCounter, 587 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 969 IncrementalHoareTripleChecker+Invalid, 1556 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 587 mSolverCounterUnsat, 210 mSDtfsCounter, 969 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1138 GetRequests, 1061 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=421occurred in iteration=7, InterpolantAutomatonStates: 64, 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, 9 MinimizatonAttempts, 12 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 7 PreInvPairs, 146 NumberOfFragments, 51 HoareAnnotationTreeSize, 7 FomulaSimplifications, 1058 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 5.9s InterpolantComputationTime, 2028 NumberOfCodeBlocks, 1650 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 2342 ConstructedInterpolants, 0 QuantifiedInterpolants, 2828 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1192 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 14849/16070 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
14 specifications checked. All of them hold
- InvariantResult [Line: 32]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 47]: Loop Invariant
Derived loop invariant: ((1 <= i) && (0 <= (x + 2147483648)))
- InvariantResult [Line: 17]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 37]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 42]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 22]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
- InvariantResult [Line: 27]: Loop Invariant
Derived loop invariant: ((0 < i) || (i == 0))
RESULT: Ultimate proved your program to be correct!
[2023-11-26 11:46:00,453 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_959cb98c-9e16-439f-b693-9e4c74ddf08e/bin/uautomizer-verify-VRDe98Ueme/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