./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_good.i --full-output --architecture 64bit


--------------------------------------------------------------------------------


Checking for overflows
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3e813c2d550f304057e35f18b8f69ef92236ca9d994b426119f9a86f78d9526e
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-12-02 16:04:21,805 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-02 16:04:21,880 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Default.epf
[2023-12-02 16:04:21,885 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-02 16:04:21,886 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-02 16:04:21,914 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-02 16:04:21,915 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-02 16:04:21,916 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-02 16:04:21,916 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-02 16:04:21,917 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-02 16:04:21,918 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2023-12-02 16:04:21,918 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-12-02 16:04:21,919 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2023-12-02 16:04:21,919 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-12-02 16:04:21,920 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2023-12-02 16:04:21,921 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-12-02 16:04:21,921 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-12-02 16:04:21,922 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-12-02 16:04:21,922 INFO  L153        SettingsManager]:  * Interval Domain=false
[2023-12-02 16:04:21,923 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-12-02 16:04:21,923 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-12-02 16:04:21,924 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-12-02 16:04:21,925 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-02 16:04:21,925 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-02 16:04:21,925 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-02 16:04:21,926 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-02 16:04:21,926 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-02 16:04:21,927 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-02 16:04:21,927 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-02 16:04:21,928 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-12-02 16:04:21,928 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-12-02 16:04:21,928 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-02 16:04:21,929 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-02 16:04:21,929 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-02 16:04:21,929 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-02 16:04:21,930 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-02 16:04:21,930 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 16:04:21,930 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-02 16:04:21,930 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-02 16:04:21,930 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-02 16:04:21,931 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-12-02 16:04:21,931 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-02 16:04:21,931 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-02 16:04:21,932 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-02 16:04:21,932 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-12-02 16:04:21,932 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-02 16:04:21,932 INFO  L153        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
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_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/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_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh
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 -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e813c2d550f304057e35f18b8f69ef92236ca9d994b426119f9a86f78d9526e
[2023-12-02 16:04:22,174 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-02 16:04:22,211 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-02 16:04:22,214 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-02 16:04:22,215 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-02 16:04:22,216 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-02 16:04:22,217 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_good.i
[2023-12-02 16:04:25,033 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-02 16:04:25,373 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-02 16:04:25,373 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_good.i
[2023-12-02 16:04:25,400 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/data/f8ac6e65d/943f44ea638d4f75a6bad8e8fa21e677/FLAGfc49e5636
[2023-12-02 16:04:25,415 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/data/f8ac6e65d/943f44ea638d4f75a6bad8e8fa21e677
[2023-12-02 16:04:25,418 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-02 16:04:25,420 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-02 16:04:25,421 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-02 16:04:25,421 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-02 16:04:25,427 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-02 16:04:25,428 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:25" (1/1) ...
[2023-12-02 16:04:25,429 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17f7dd9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:25, skipping insertion in model container
[2023-12-02 16:04:25,429 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:25" (1/1) ...
[2023-12-02 16:04:25,522 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-02 16:04:26,925 FATAL L?                        ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator has thrown an exception:
java.lang.UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.handleUnaryFloatFunction(StandardFunctionHandler.java:2220)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.standardfunctions.StandardFunctionHandler.translateStandardFunction(StandardFunctionHandler.java:245)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1486)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:269)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:949)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:281)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:728)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:284)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1671)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:231)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.handleCompoundStatement(CHandler.java:1088)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1073)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:234)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.chandler.FunctionHandler.handleFunctionDefinition(FunctionHandler.java:386)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:1512)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:157)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.processTUchild(CHandler.java:3421)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:2441)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.CHandler.visit(CHandler.java:611)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.PRDispatcher.dispatch(PRDispatcher.java:133)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.translate(MainTranslator.java:191)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.run(MainTranslator.java:117)
	at de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.MainTranslator.<init>(MainTranslator.java:95)
	at de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver.finish(CACSL2BoogieTranslatorObserver.java:147)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319)
	at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145)
	at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63)
[2023-12-02 16:04:26,929 INFO  L158              Benchmark]: Toolchain (without parser) took 1508.87ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 98.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2023-12-02 16:04:26,930 INFO  L158              Benchmark]: CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 90.6MB in the beginning and 90.5MB in the end (delta: 78.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-12-02 16:04:26,931 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1506.73ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 98.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2023-12-02 16:04:26,932 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25ms. Allocated memory is still 115.3MB. Free memory was 90.6MB in the beginning and 90.5MB in the end (delta: 78.3kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1506.73ms. Allocated memory is still 165.7MB. Free memory was 123.7MB in the beginning and 98.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - ExceptionOrErrorResult: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt
    de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: UnsupportedOperationException: floating point operation not supported in non-bitprecise translation: sqrt: de.uni_freiburg.informatik.ultimate.cdt.translation.implementation.base.expressiontranslation.IntegerTranslation.constructOtherUnaryFloatOperation(IntegerTranslation.java:610)
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Using bit-precise analysis
Retrying with bit-precise analysis

### Bit-precise run ###
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3e813c2d550f304057e35f18b8f69ef92236ca9d994b426119f9a86f78d9526e
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-12-02 16:04:28,766 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-02 16:04:28,850 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf
[2023-12-02 16:04:28,857 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-02 16:04:28,858 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-02 16:04:28,889 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-02 16:04:28,890 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-02 16:04:28,890 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-02 16:04:28,891 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-02 16:04:28,892 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-02 16:04:28,892 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2023-12-02 16:04:28,893 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-12-02 16:04:28,893 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2023-12-02 16:04:28,894 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2023-12-02 16:04:28,894 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-12-02 16:04:28,895 INFO  L153        SettingsManager]:  * Interval Domain=false
[2023-12-02 16:04:28,896 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-02 16:04:28,897 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-02 16:04:28,897 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-02 16:04:28,898 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-02 16:04:28,898 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-02 16:04:28,899 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-02 16:04:28,900 INFO  L153        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2023-12-02 16:04:28,900 INFO  L153        SettingsManager]:  * Use bitvectors instead of ints=true
[2023-12-02 16:04:28,901 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-12-02 16:04:28,901 INFO  L153        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2023-12-02 16:04:28,902 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-12-02 16:04:28,902 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-02 16:04:28,903 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-02 16:04:28,904 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-02 16:04:28,904 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-12-02 16:04:28,905 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-02 16:04:28,905 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-02 16:04:28,905 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 16:04:28,906 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-02 16:04:28,906 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-02 16:04:28,906 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-02 16:04:28,907 INFO  L153        SettingsManager]:  * Trace refinement strategy=WALRUS
[2023-12-02 16:04:28,907 INFO  L153        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt 
[2023-12-02 16:04:28,907 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-02 16:04:28,907 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-02 16:04:28,908 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-12-02 16:04:28,908 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-02 16:04:28,908 INFO  L153        SettingsManager]:  * Logic for external solver=AUFBV
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_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/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_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh
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 -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3e813c2d550f304057e35f18b8f69ef92236ca9d994b426119f9a86f78d9526e
[2023-12-02 16:04:29,254 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-02 16:04:29,276 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-02 16:04:29,279 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-02 16:04:29,280 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-02 16:04:29,280 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-02 16:04:29,281 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_good.i
[2023-12-02 16:04:32,307 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-02 16:04:32,693 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-02 16:04:32,694 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_square_01_good.i
[2023-12-02 16:04:32,718 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/data/5c31aaf87/502ad12b50184d5cbbc84a5d49177562/FLAGa610a1669
[2023-12-02 16:04:32,732 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/data/5c31aaf87/502ad12b50184d5cbbc84a5d49177562
[2023-12-02 16:04:32,734 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-02 16:04:32,735 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-02 16:04:32,737 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-02 16:04:32,737 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-02 16:04:32,742 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-02 16:04:32,742 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:32" (1/1) ...
[2023-12-02 16:04:32,744 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f84ab50 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:32, skipping insertion in model container
[2023-12-02 16:04:32,744 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 04:04:32" (1/1) ...
[2023-12-02 16:04:32,806 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-02 16:04:34,283 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 16:04:34,297 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-02 16:04:34,389 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 16:04:34,727 WARN  L675               CHandler]: The function puts is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 16:04:34,727 WARN  L675               CHandler]: The function __ctype_b_loc is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 16:04:34,727 WARN  L675               CHandler]: The function iswxdigit is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 16:04:34,728 WARN  L675               CHandler]: The function time is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 16:04:34,728 WARN  L675               CHandler]: The function fgets is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 16:04:34,735 INFO  L206         MainTranslator]: Completed translation
[2023-12-02 16:04:34,735 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34 WrapperNode
[2023-12-02 16:04:34,736 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-02 16:04:34,737 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-02 16:04:34,737 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-02 16:04:34,737 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-02 16:04:34,746 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,783 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,816 INFO  L138                Inliner]: procedures = 944, calls = 68, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75
[2023-12-02 16:04:34,816 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-02 16:04:34,817 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-02 16:04:34,817 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-02 16:04:34,817 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-02 16:04:34,826 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,826 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,831 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,832 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,843 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,845 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,849 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,851 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,857 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-02 16:04:34,858 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-02 16:04:34,858 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-02 16:04:34,858 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-02 16:04:34,859 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (1/1) ...
[2023-12-02 16:04:34,865 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 16:04:34,879 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 16:04:34,906 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-12-02 16:04:34,909 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-12-02 16:04:34,941 INFO  L130     BoogieDeclarations]: Found specification of procedure printIntLine
[2023-12-02 16:04:34,941 INFO  L138     BoogieDeclarations]: Found implementation of procedure printIntLine
[2023-12-02 16:04:34,941 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-02 16:04:34,941 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-02 16:04:34,942 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-02 16:04:34,942 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-12-02 16:04:34,942 INFO  L130     BoogieDeclarations]: Found specification of procedure time
[2023-12-02 16:04:34,942 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1
[2023-12-02 16:04:34,942 INFO  L130     BoogieDeclarations]: Found specification of procedure fgets
[2023-12-02 16:04:34,942 INFO  L130     BoogieDeclarations]: Found specification of procedure printLine
[2023-12-02 16:04:34,943 INFO  L138     BoogieDeclarations]: Found implementation of procedure printLine
[2023-12-02 16:04:34,943 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-12-02 16:04:34,943 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2023-12-02 16:04:35,123 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-02 16:04:35,125 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-02 16:04:40,336 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-02 16:04:40,372 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-02 16:04:40,372 INFO  L309             CfgBuilder]: Removed 0 assume(true) statements.
[2023-12-02 16:04:40,373 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:04:40 BoogieIcfgContainer
[2023-12-02 16:04:40,373 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-02 16:04:40,375 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-02 16:04:40,375 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-02 16:04:40,378 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-02 16:04:40,378 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 04:04:32" (1/3) ...
[2023-12-02 16:04:40,379 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1574aea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:04:40, skipping insertion in model container
[2023-12-02 16:04:40,379 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 04:04:34" (2/3) ...
[2023-12-02 16:04:40,379 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1574aea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 04:04:40, skipping insertion in model container
[2023-12-02 16:04:40,379 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:04:40" (3/3) ...
[2023-12-02 16:04:40,381 INFO  L112   eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_square_01_good.i
[2023-12-02 16:04:40,397 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-02 16:04:40,397 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations.
[2023-12-02 16:04:40,444 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-02 16:04:40,449 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=FINITE_AUTOMATA, 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;@1b4a227d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-02 16:04:40,450 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2023-12-02 16:04:40,453 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 35 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 26 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6)
[2023-12-02 16:04:40,459 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 9
[2023-12-02 16:04:40,459 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 16:04:40,460 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 16:04:40,460 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2023-12-02 16:04:40,465 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 16:04:40,466 INFO  L85        PathProgramCache]: Analyzing trace with hash -1561351378, now seen corresponding path program 1 times
[2023-12-02 16:04:40,476 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-12-02 16:04:40,477 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2074384226]
[2023-12-02 16:04:40,477 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 16:04:40,477 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:04:40,477 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat
[2023-12-02 16:04:40,479 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-02 16:04:40,500 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2023-12-02 16:04:40,612 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 16:04:40,617 INFO  L262         TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-02 16:04:40,621 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 16:04:40,652 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 16:04:40,652 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-02 16:04:40,653 INFO  L136   FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2023-12-02 16:04:40,653 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2074384226]
[2023-12-02 16:04:40,654 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2074384226] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 16:04:40,654 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 16:04:40,654 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-02 16:04:40,655 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [282378195]
[2023-12-02 16:04:40,656 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 16:04:40,661 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-02 16:04:40,661 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2023-12-02 16:04:40,687 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-02 16:04:40,688 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 16:04:40,690 INFO  L87              Difference]: Start difference. First operand  has 35 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 26 states have internal predecessors, (30), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-02 16:04:40,824 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 16:04:40,824 INFO  L93              Difference]: Finished difference Result 35 states and 42 transitions.
[2023-12-02 16:04:40,826 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-02 16:04:40,827 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8
[2023-12-02 16:04:40,827 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 16:04:40,833 INFO  L225             Difference]: With dead ends: 35
[2023-12-02 16:04:40,833 INFO  L226             Difference]: Without dead ends: 25
[2023-12-02 16:04:40,836 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 16:04:40,839 INFO  L413           NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 31 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-02 16:04:40,840 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 64 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-02 16:04:40,854 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25 states.
[2023-12-02 16:04:40,866 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25.
[2023-12-02 16:04:40,867 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 19 states have internal predecessors, (22), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-02 16:04:40,868 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions.
[2023-12-02 16:04:40,869 INFO  L78                 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 8
[2023-12-02 16:04:40,870 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 16:04:40,870 INFO  L495      AbstractCegarLoop]: Abstraction has 25 states and 28 transitions.
[2023-12-02 16:04:40,870 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-12-02 16:04:40,871 INFO  L276                IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions.
[2023-12-02 16:04:40,872 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 18
[2023-12-02 16:04:40,872 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 16:04:40,872 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 16:04:40,877 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2023-12-02 16:04:41,075 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:04:41,075 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2023-12-02 16:04:41,076 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 16:04:41,076 INFO  L85        PathProgramCache]: Analyzing trace with hash 1154117855, now seen corresponding path program 1 times
[2023-12-02 16:04:41,078 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-12-02 16:04:41,078 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [590673137]
[2023-12-02 16:04:41,078 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 16:04:41,078 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:04:41,079 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat
[2023-12-02 16:04:41,080 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-02 16:04:41,083 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2023-12-02 16:04:41,209 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 16:04:41,215 INFO  L262         TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-12-02 16:04:41,216 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 16:04:41,278 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 16:04:41,278 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-02 16:04:41,279 INFO  L136   FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2023-12-02 16:04:41,279 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [590673137]
[2023-12-02 16:04:41,279 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [590673137] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 16:04:41,279 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 16:04:41,279 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-02 16:04:41,280 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374958649]
[2023-12-02 16:04:41,280 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 16:04:41,281 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-02 16:04:41,281 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2023-12-02 16:04:41,282 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-02 16:04:41,283 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-02 16:04:41,283 INFO  L87              Difference]: Start difference. First operand 25 states and 28 transitions. Second operand  has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-02 16:04:43,373 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-02 16:04:45,376 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []
[2023-12-02 16:04:45,567 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 16:04:45,567 INFO  L93              Difference]: Finished difference Result 33 states and 36 transitions.
[2023-12-02 16:04:45,567 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-12-02 16:04:45,568 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 17
[2023-12-02 16:04:45,568 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 16:04:45,569 INFO  L225             Difference]: With dead ends: 33
[2023-12-02 16:04:45,569 INFO  L226             Difference]: Without dead ends: 27
[2023-12-02 16:04:45,569 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-12-02 16:04:45,571 INFO  L413           NwaCegarLoop]: 18 mSDtfsCounter, 10 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.3s IncrementalHoareTripleChecker+Time
[2023-12-02 16:04:45,572 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 44 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 2 Unknown, 0 Unchecked, 4.3s Time]
[2023-12-02 16:04:45,573 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2023-12-02 16:04:45,578 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 26.
[2023-12-02 16:04:45,578 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-02 16:04:45,580 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 29 transitions.
[2023-12-02 16:04:45,580 INFO  L78                 Accepts]: Start accepts. Automaton has 26 states and 29 transitions. Word has length 17
[2023-12-02 16:04:45,580 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 16:04:45,580 INFO  L495      AbstractCegarLoop]: Abstraction has 26 states and 29 transitions.
[2023-12-02 16:04:45,581 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-02 16:04:45,581 INFO  L276                IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions.
[2023-12-02 16:04:45,582 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 19
[2023-12-02 16:04:45,582 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 16:04:45,582 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 16:04:45,586 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0
[2023-12-02 16:04:45,782 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:04:45,783 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2023-12-02 16:04:45,783 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 16:04:45,784 INFO  L85        PathProgramCache]: Analyzing trace with hash 1417919241, now seen corresponding path program 1 times
[2023-12-02 16:04:45,784 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-12-02 16:04:45,784 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1270473702]
[2023-12-02 16:04:45,784 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 16:04:45,784 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:04:45,784 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat
[2023-12-02 16:04:45,786 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-02 16:04:45,787 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process
[2023-12-02 16:04:45,938 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 16:04:45,944 INFO  L262         TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core
[2023-12-02 16:04:45,946 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 16:04:45,956 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 16:04:45,957 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-02 16:04:45,957 INFO  L136   FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2023-12-02 16:04:45,957 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1270473702]
[2023-12-02 16:04:45,957 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1270473702] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 16:04:45,958 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 16:04:45,958 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-02 16:04:45,958 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114618280]
[2023-12-02 16:04:45,958 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 16:04:45,959 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-02 16:04:45,959 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2023-12-02 16:04:45,960 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-02 16:04:45,960 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 16:04:45,960 INFO  L87              Difference]: Start difference. First operand 26 states and 29 transitions. Second operand  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-02 16:04:46,004 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 16:04:46,004 INFO  L93              Difference]: Finished difference Result 31 states and 33 transitions.
[2023-12-02 16:04:46,004 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-02 16:04:46,004 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18
[2023-12-02 16:04:46,005 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 16:04:46,006 INFO  L225             Difference]: With dead ends: 31
[2023-12-02 16:04:46,006 INFO  L226             Difference]: Without dead ends: 26
[2023-12-02 16:04:46,006 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 16:04:46,008 INFO  L413           NwaCegarLoop]: 24 mSDtfsCounter, 0 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-12-02 16:04:46,009 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-12-02 16:04:46,010 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 26 states.
[2023-12-02 16:04:46,014 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 24.
[2023-12-02 16:04:46,014 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 24 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-02 16:04:46,015 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions.
[2023-12-02 16:04:46,015 INFO  L78                 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 18
[2023-12-02 16:04:46,016 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 16:04:46,016 INFO  L495      AbstractCegarLoop]: Abstraction has 24 states and 26 transitions.
[2023-12-02 16:04:46,016 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-02 16:04:46,016 INFO  L276                IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions.
[2023-12-02 16:04:46,017 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-12-02 16:04:46,017 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 16:04:46,017 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 16:04:46,022 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0
[2023-12-02 16:04:46,218 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:04:46,218 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2023-12-02 16:04:46,219 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 16:04:46,219 INFO  L85        PathProgramCache]: Analyzing trace with hash 1005698593, now seen corresponding path program 1 times
[2023-12-02 16:04:46,219 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-12-02 16:04:46,219 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [921179322]
[2023-12-02 16:04:46,219 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 16:04:46,220 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:04:46,220 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat
[2023-12-02 16:04:46,220 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-02 16:04:46,221 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process
[2023-12-02 16:06:15,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 16:06:15,041 INFO  L262         TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-02 16:06:15,043 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 16:06:15,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 16:06:15,742 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-02 16:06:15,742 INFO  L136   FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2023-12-02 16:06:15,742 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [921179322]
[2023-12-02 16:06:15,742 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [921179322] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 16:06:15,742 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 16:06:15,742 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-02 16:06:15,743 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87287879]
[2023-12-02 16:06:15,743 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 16:06:15,743 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-02 16:06:15,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2023-12-02 16:06:15,744 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-02 16:06:15,744 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-12-02 16:06:15,745 INFO  L87              Difference]: Start difference. First operand 24 states and 26 transitions. Second operand  has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-02 16:06:18,096 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-12-02 16:06:20,099 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-12-02 16:06:22,102 WARN  L539   Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]
[2023-12-02 16:06:22,393 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 16:06:22,393 INFO  L93              Difference]: Finished difference Result 28 states and 30 transitions.
[2023-12-02 16:06:22,394 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-12-02 16:06:22,394 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19
[2023-12-02 16:06:22,394 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 16:06:22,395 INFO  L225             Difference]: With dead ends: 28
[2023-12-02 16:06:22,395 INFO  L226             Difference]: Without dead ends: 27
[2023-12-02 16:06:22,395 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-02 16:06:22,397 INFO  L413           NwaCegarLoop]: 17 mSDtfsCounter, 9 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 57 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time
[2023-12-02 16:06:22,397 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 57 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 3 Unknown, 0 Unchecked, 6.4s Time]
[2023-12-02 16:06:22,398 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 27 states.
[2023-12-02 16:06:22,401 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 23.
[2023-12-02 16:06:22,402 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 23 states, 17 states have (on average 1.1176470588235294) internal successors, (19), 17 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3)
[2023-12-02 16:06:22,402 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions.
[2023-12-02 16:06:22,402 INFO  L78                 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 19
[2023-12-02 16:06:22,403 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 16:06:22,403 INFO  L495      AbstractCegarLoop]: Abstraction has 23 states and 25 transitions.
[2023-12-02 16:06:22,403 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-02 16:06:22,403 INFO  L276                IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions.
[2023-12-02 16:06:22,404 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-12-02 16:06:22,404 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 16:06:22,404 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]
[2023-12-02 16:06:22,411 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0
[2023-12-02 16:06:22,604 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:06:22,605 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 2 more)] ===
[2023-12-02 16:06:22,605 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 16:06:22,606 INFO  L85        PathProgramCache]: Analyzing trace with hash 1111885387, now seen corresponding path program 1 times
[2023-12-02 16:06:22,606 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WALRUS
[2023-12-02 16:06:22,606 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [489096121]
[2023-12-02 16:06:22,606 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 16:06:22,606 INFO  L173          SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:06:22,606 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat
[2023-12-02 16:06:22,607 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2023-12-02 16:06:22,608 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process
[2023-12-02 16:07:44,770 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 16:07:44,800 INFO  L262         TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 5 conjunts are in the unsatisfiable core
[2023-12-02 16:07:44,801 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-12-02 16:07:45,432 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 16:07:45,432 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-12-02 16:07:45,433 INFO  L136   FreeRefinementEngine]: Strategy WALRUS found an infeasible trace
[2023-12-02 16:07:45,433 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [489096121]
[2023-12-02 16:07:45,433 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleMathsat [489096121] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 16:07:45,433 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 16:07:45,433 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-12-02 16:07:45,433 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382098506]
[2023-12-02 16:07:45,433 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 16:07:45,434 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-02 16:07:45,434 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS
[2023-12-02 16:07:45,434 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-02 16:07:45,434 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2023-12-02 16:07:45,435 INFO  L87              Difference]: Start difference. First operand 23 states and 25 transitions. Second operand  has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-02 16:07:45,901 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 16:07:45,901 INFO  L93              Difference]: Finished difference Result 27 states and 29 transitions.
[2023-12-02 16:07:45,902 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-12-02 16:07:45,903 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 20
[2023-12-02 16:07:45,903 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 16:07:45,903 INFO  L225             Difference]: With dead ends: 27
[2023-12-02 16:07:45,903 INFO  L226             Difference]: Without dead ends: 0
[2023-12-02 16:07:45,904 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-12-02 16:07:45,905 INFO  L413           NwaCegarLoop]: 17 mSDtfsCounter, 10 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-12-02 16:07:45,905 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 45 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-12-02 16:07:45,906 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-12-02 16:07:45,906 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-12-02 16:07:45,906 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)
[2023-12-02 16:07:45,907 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-12-02 16:07:45,907 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20
[2023-12-02 16:07:45,907 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 16:07:45,907 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-12-02 16:07:45,907 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-12-02 16:07:45,907 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-12-02 16:07:45,907 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-12-02 16:07:45,910 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 5 remaining)
[2023-12-02 16:07:45,910 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 5 remaining)
[2023-12-02 16:07:45,910 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 5 remaining)
[2023-12-02 16:07:45,910 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 5 remaining)
[2023-12-02 16:07:45,910 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 5 remaining)
[2023-12-02 16:07:45,917 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0
[2023-12-02 16:07:46,111 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3
[2023-12-02 16:07:46,113 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-12-02 16:07:46,322 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true
[2023-12-02 16:07:46,323 INFO  L899   garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed.
[2023-12-02 16:07:46,323 INFO  L899   garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed.
[2023-12-02 16:07:46,323 INFO  L899   garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed.
[2023-12-02 16:07:46,323 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true
[2023-12-02 16:07:46,323 INFO  L899   garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed.
[2023-12-02 16:07:46,323 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1859) no Hoare annotation was computed.
[2023-12-02 16:07:46,323 INFO  L899   garLoopResultBuilder]: For program point L1848(lines 1848 1855) no Hoare annotation was computed.
[2023-12-02 16:07:46,323 INFO  L899   garLoopResultBuilder]: For program point L1848-2(lines 1848 1855) no Hoare annotation was computed.
[2023-12-02 16:07:46,324 INFO  L902   garLoopResultBuilder]: At program point L1877(line 1877) the Hoare annotation is: true
[2023-12-02 16:07:46,324 INFO  L899   garLoopResultBuilder]: For program point L1877-1(line 1877) no Hoare annotation was computed.
[2023-12-02 16:07:46,324 INFO  L899   garLoopResultBuilder]: For program point L1857(line 1857) no Hoare annotation was computed.
[2023-12-02 16:07:46,324 INFO  L899   garLoopResultBuilder]: For program point L1857-1(line 1857) no Hoare annotation was computed.
[2023-12-02 16:07:46,324 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1838) no Hoare annotation was computed.
[2023-12-02 16:07:46,324 INFO  L899   garLoopResultBuilder]: For program point L1857-3(lines 1857 1865) no Hoare annotation was computed.
[2023-12-02 16:07:46,324 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1859) no Hoare annotation was computed.
[2023-12-02 16:07:46,324 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1838) no Hoare annotation was computed.
[2023-12-02 16:07:46,325 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-12-02 16:07:46,325 INFO  L895   garLoopResultBuilder]: At program point L1854(line 1854) the Hoare annotation is: (and (bvsgt |ULTIMATE.start_goodB2G_~data~1#1| (_ bv2147483648 32)) (let ((.cse0 (bvsgt |ULTIMATE.start_goodB2G_~data~1#1| (_ bv0 32)))) (or (and (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) (bvneg |ULTIMATE.start_goodB2G_~data~1#1|)) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32)))))) (not .cse0)) (and .cse0 (exists ((currentRoundingMode RoundingMode)) (bvslt ((_ sign_extend 32) |ULTIMATE.start_goodB2G_~data~1#1|) ((_ fp.to_sbv 64) roundTowardZero (fp.sqrt currentRoundingMode ((_ to_fp 11 53) currentRoundingMode (_ bv2147483647 32))))))))))
[2023-12-02 16:07:46,325 INFO  L899   garLoopResultBuilder]: For program point L1854-1(line 1854) no Hoare annotation was computed.
[2023-12-02 16:07:46,325 INFO  L902   garLoopResultBuilder]: At program point L1875(line 1875) the Hoare annotation is: true
[2023-12-02 16:07:46,325 INFO  L899   garLoopResultBuilder]: For program point L1875-1(line 1875) no Hoare annotation was computed.
[2023-12-02 16:07:46,325 INFO  L899   garLoopResultBuilder]: For program point L1842(lines 1842 1866) no Hoare annotation was computed.
[2023-12-02 16:07:46,326 INFO  L899   garLoopResultBuilder]: For program point L1838(line 1838) no Hoare annotation was computed.
[2023-12-02 16:07:46,326 INFO  L899   garLoopResultBuilder]: For program point L1838-1(line 1838) no Hoare annotation was computed.
[2023-12-02 16:07:46,326 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-12-02 16:07:46,326 INFO  L899   garLoopResultBuilder]: For program point L1859(line 1859) no Hoare annotation was computed.
[2023-12-02 16:07:46,326 INFO  L899   garLoopResultBuilder]: For program point L1859-1(line 1859) no Hoare annotation was computed.
[2023-12-02 16:07:46,326 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1857) no Hoare annotation was computed.
[2023-12-02 16:07:46,326 INFO  L895   garLoopResultBuilder]: At program point L1839(line 1839) the Hoare annotation is: (= (_ bv2 32) |ULTIMATE.start_goodG2B_~data~0#1|)
[2023-12-02 16:07:46,326 INFO  L899   garLoopResultBuilder]: For program point L1839-1(line 1839) no Hoare annotation was computed.
[2023-12-02 16:07:46,326 INFO  L902   garLoopResultBuilder]: At program point L1864(line 1864) the Hoare annotation is: true
[2023-12-02 16:07:46,327 INFO  L899   garLoopResultBuilder]: For program point L1864-1(line 1864) no Hoare annotation was computed.
[2023-12-02 16:07:46,327 INFO  L902   garLoopResultBuilder]: At program point L1860(line 1860) the Hoare annotation is: true
[2023-12-02 16:07:46,327 INFO  L899   garLoopResultBuilder]: For program point L1860-1(line 1860) no Hoare annotation was computed.
[2023-12-02 16:07:46,330 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-02 16:07:46,332 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-02 16:07:46,336 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 04:07:46 BoogieIcfgContainer
[2023-12-02 16:07:46,336 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-02 16:07:46,337 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-12-02 16:07:46,337 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-12-02 16:07:46,337 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-12-02 16:07:46,337 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 04:04:40" (3/4) ...
[2023-12-02 16:07:46,339 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-12-02 16:07:46,342 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printLine
[2023-12-02 16:07:46,343 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine
[2023-12-02 16:07:46,347 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges
[2023-12-02 16:07:46,348 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-12-02 16:07:46,348 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2023-12-02 16:07:46,348 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-12-02 16:07:46,435 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/witness.graphml
[2023-12-02 16:07:46,435 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/witness.yml
[2023-12-02 16:07:46,435 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-12-02 16:07:46,436 INFO  L158              Benchmark]: Toolchain (without parser) took 193700.49ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 71.9MB in the beginning and 64.4MB in the end (delta: 7.6MB). Peak memory consumption was 31.3MB. Max. memory is 16.1GB.
[2023-12-02 16:07:46,436 INFO  L158              Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-12-02 16:07:46,437 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 1998.98ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 71.6MB in the beginning and 76.6MB in the end (delta: -4.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB.
[2023-12-02 16:07:46,437 INFO  L158              Benchmark]: Boogie Procedure Inliner took 79.85ms. Allocated memory is still 121.6MB. Free memory was 76.6MB in the beginning and 72.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-12-02 16:07:46,438 INFO  L158              Benchmark]: Boogie Preprocessor took 39.93ms. Allocated memory is still 121.6MB. Free memory was 72.4MB in the beginning and 70.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-12-02 16:07:46,438 INFO  L158              Benchmark]: RCFGBuilder took 5515.29ms. Allocated memory is still 121.6MB. Free memory was 70.3MB in the beginning and 51.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-12-02 16:07:46,438 INFO  L158              Benchmark]: TraceAbstraction took 185961.05ms. Allocated memory is still 121.6MB. Free memory was 51.4MB in the beginning and 69.7MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-12-02 16:07:46,439 INFO  L158              Benchmark]: Witness Printer took 98.85ms. Allocated memory is still 121.6MB. Free memory was 69.7MB in the beginning and 64.4MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-12-02 16:07:46,441 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 40.9MB in the beginning and 40.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 1998.98ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 71.6MB in the beginning and 76.6MB in the end (delta: -4.9MB). Peak memory consumption was 53.3MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 79.85ms. Allocated memory is still 121.6MB. Free memory was 76.6MB in the beginning and 72.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 39.93ms. Allocated memory is still 121.6MB. Free memory was 72.4MB in the beginning and 70.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 5515.29ms. Allocated memory is still 121.6MB. Free memory was 70.3MB in the beginning and 51.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 185961.05ms. Allocated memory is still 121.6MB. Free memory was 51.4MB in the beginning and 69.7MB in the end (delta: -18.3MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 98.85ms. Allocated memory is still 121.6MB. Free memory was 69.7MB in the beginning and 64.4MB in the end (delta: 5.4MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 1838]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1838]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1857]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1859]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 1859]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 3 procedures, 35 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 185.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 5 mSolverCounterUnknown, 35 SdHoareTripleChecker+Valid, 11.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 31 mSDsluCounter, 253 SdHoareTripleChecker+Invalid, 11.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 144 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 109 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 82 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 7 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 12 PreInvPairs, 12 NumberOfFragments, 46 HoareAnnotationTreeSize, 12 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 171.0s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 82 NumberOfCodeBlocks, 82 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 77 ConstructedInterpolants, 5 QuantifiedInterpolants, 366 SizeOfPredicates, 5 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 17 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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
    5 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-12-02 16:07:46,528 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ef5323d-db01-4f81-91fd-136f88544d3f/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (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