./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_1_2.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version b5237d83
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_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96ec2e8436d28d80fc74b2bfe826a0c3f658cac9b1711d8b968fe796010eaf24
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-b5237d8
[2022-11-21 09:05:42,810 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-21 09:05:42,812 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-21 09:05:42,855 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-21 09:05:42,859 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-21 09:05:42,867 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-21 09:05:42,870 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-21 09:05:42,875 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-21 09:05:42,878 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-21 09:05:42,885 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-21 09:05:42,887 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-21 09:05:42,891 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-21 09:05:42,891 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-21 09:05:42,897 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-21 09:05:42,899 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-21 09:05:42,902 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-21 09:05:42,904 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-21 09:05:42,906 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-21 09:05:42,908 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-21 09:05:42,916 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-21 09:05:42,919 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-21 09:05:42,922 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-21 09:05:42,924 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-21 09:05:42,926 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-21 09:05:42,937 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-21 09:05:42,939 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-21 09:05:42,940 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-21 09:05:42,942 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-21 09:05:42,943 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-21 09:05:42,947 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-21 09:05:42,948 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-21 09:05:42,949 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-21 09:05:42,952 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-21 09:05:42,953 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-21 09:05:42,955 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-21 09:05:42,955 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-21 09:05:42,956 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-21 09:05:42,957 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-21 09:05:42,957 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-21 09:05:42,959 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-21 09:05:42,960 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-21 09:05:42,962 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Default.epf
[2022-11-21 09:05:43,017 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-21 09:05:43,019 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-21 09:05:43,020 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-21 09:05:43,020 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-21 09:05:43,021 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-21 09:05:43,021 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-21 09:05:43,022 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-21 09:05:43,023 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-21 09:05:43,023 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-21 09:05:43,023 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-21 09:05:43,025 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-21 09:05:43,025 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-11-21 09:05:43,025 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-21 09:05:43,026 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-21 09:05:43,026 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-21 09:05:43,026 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-21 09:05:43,027 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-21 09:05:43,027 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-21 09:05:43,027 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-21 09:05:43,027 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-21 09:05:43,028 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-21 09:05:43,028 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-21 09:05:43,029 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-21 09:05:43,030 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-21 09:05:43,030 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 09:05:43,030 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-21 09:05:43,031 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-21 09:05:43,031 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-21 09:05:43,032 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-11-21 09:05:43,032 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-11-21 09:05:43,033 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-21 09:05:43,033 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-21 09:05:43,033 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-21 09:05:43,034 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/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_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96ec2e8436d28d80fc74b2bfe826a0c3f658cac9b1711d8b968fe796010eaf24
[2022-11-21 09:05:43,375 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-21 09:05:43,414 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-21 09:05:43,417 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-21 09:05:43,419 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-21 09:05:43,420 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-21 09:05:43,421 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/combinations/gcd_3+newton_1_2.i
[2022-11-21 09:05:47,241 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-11-21 09:05:47,551 INFO  L351              CDTParser]: Found 1 translation units.
[2022-11-21 09:05:47,552 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i
[2022-11-21 09:05:47,561 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/data/b5151534b/0e81a642461943058ecc7bb35c522e04/FLAG389d80b42
[2022-11-21 09:05:47,840 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/data/b5151534b/0e81a642461943058ecc7bb35c522e04
[2022-11-21 09:05:47,843 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-21 09:05:47,845 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-21 09:05:47,847 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-21 09:05:47,847 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-21 09:05:47,855 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-21 09:05:47,856 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:47" (1/1) ...
[2022-11-21 09:05:47,857 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65b20a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:47, skipping insertion in model container
[2022-11-21 09:05:47,858 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:47" (1/1) ...
[2022-11-21 09:05:47,867 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-21 09:05:47,892 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-21 09:05:48,075 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i[1226,1239]
[2022-11-21 09:05:48,106 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i[2820,2833]
[2022-11-21 09:05:48,108 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-21 09:05:48,120 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-21 09:05:48,138 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i[1226,1239]
[2022-11-21 09:05:48,150 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i[2820,2833]
[2022-11-21 09:05:48,152 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-21 09:05:48,166 INFO  L208         MainTranslator]: Completed translation
[2022-11-21 09:05:48,166 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48 WrapperNode
[2022-11-21 09:05:48,166 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-21 09:05:48,167 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-21 09:05:48,168 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-21 09:05:48,168 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-21 09:05:48,175 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,186 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,221 INFO  L138                Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86
[2022-11-21 09:05:48,222 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-21 09:05:48,223 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-21 09:05:48,223 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-21 09:05:48,224 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-21 09:05:48,240 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,240 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,242 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,243 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,251 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,258 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,260 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,261 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,264 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-21 09:05:48,265 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-21 09:05:48,265 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-21 09:05:48,266 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-21 09:05:48,267 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (1/1) ...
[2022-11-21 09:05:48,275 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 09:05:48,300 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:05:48,322 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-21 09:05:48,324 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-21 09:05:48,366 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-21 09:05:48,366 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-21 09:05:48,367 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-21 09:05:48,367 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-21 09:05:48,453 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-21 09:05:48,455 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-21 09:05:48,687 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-21 09:05:48,696 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-21 09:05:48,696 INFO  L300             CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-21 09:05:48,698 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:48 BoogieIcfgContainer
[2022-11-21 09:05:48,699 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-21 09:05:48,702 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-21 09:05:48,702 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-21 09:05:48,707 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-21 09:05:48,707 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:05:47" (1/3) ...
[2022-11-21 09:05:48,708 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdd31d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:05:48, skipping insertion in model container
[2022-11-21 09:05:48,709 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:48" (2/3) ...
[2022-11-21 09:05:48,709 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@cdd31d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:05:48, skipping insertion in model container
[2022-11-21 09:05:48,710 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:48" (3/3) ...
[2022-11-21 09:05:48,712 INFO  L112   eAbstractionObserver]: Analyzing ICFG gcd_3+newton_1_2.i
[2022-11-21 09:05:48,737 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-21 09:05:48,738 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-11-21 09:05:48,821 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-21 09:05:48,834 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3ed02b0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-21 09:05:48,835 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-11-21 09:05:48,840 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:05:48,856 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-11-21 09:05:48,857 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:05:48,858 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:05:48,859 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:05:48,867 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:05:48,867 INFO  L85        PathProgramCache]: Analyzing trace with hash 447749113, now seen corresponding path program 1 times
[2022-11-21 09:05:48,882 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:05:48,882 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697483673]
[2022-11-21 09:05:48,883 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:05:48,884 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:05:49,066 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:05:49,132 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 09:05:49,133 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-21 09:05:49,133 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697483673]
[2022-11-21 09:05:49,134 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697483673] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:05:49,135 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:05:49,135 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-21 09:05:49,137 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632163445]
[2022-11-21 09:05:49,138 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:05:49,144 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-21 09:05:49,145 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-21 09:05:49,184 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-21 09:05:49,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-21 09:05:49,187 INFO  L87              Difference]: Start difference. First operand  has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:05:49,211 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:05:49,212 INFO  L93              Difference]: Finished difference Result 47 states and 57 transitions.
[2022-11-21 09:05:49,213 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-21 09:05:49,214 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2022-11-21 09:05:49,215 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:05:49,231 INFO  L225             Difference]: With dead ends: 47
[2022-11-21 09:05:49,231 INFO  L226             Difference]: Without dead ends: 19
[2022-11-21 09:05:49,235 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-21 09:05:49,255 INFO  L413           NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-21 09:05:49,257 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-21 09:05:49,296 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2022-11-21 09:05:49,310 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2022-11-21 09:05:49,312 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:05:49,313 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2022-11-21 09:05:49,314 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9
[2022-11-21 09:05:49,315 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:05:49,315 INFO  L495      AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2022-11-21 09:05:49,315 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:05:49,316 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2022-11-21 09:05:49,316 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-11-21 09:05:49,316 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:05:49,317 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:05:49,317 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-11-21 09:05:49,318 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:05:49,318 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:05:49,319 INFO  L85        PathProgramCache]: Analyzing trace with hash 505007415, now seen corresponding path program 1 times
[2022-11-21 09:05:49,319 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-21 09:05:49,319 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102402965]
[2022-11-21 09:05:49,320 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:05:49,320 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-21 09:05:49,351 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-21 09:05:49,351 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-21 09:05:49,368 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-21 09:05:49,392 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-21 09:05:49,393 INFO  L359         BasicCegarLoop]: Counterexample is feasible
[2022-11-21 09:05:49,395 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2022-11-21 09:05:49,398 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 2 remaining)
[2022-11-21 09:05:49,398 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-11-21 09:05:49,403 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1]
[2022-11-21 09:05:49,408 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2022-11-21 09:05:49,434 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 09:05:49 BoogieIcfgContainer
[2022-11-21 09:05:49,434 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2022-11-21 09:05:49,435 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-21 09:05:49,435 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2022-11-21 09:05:49,435 INFO  L275        PluginConnector]: Witness Printer initialized
[2022-11-21 09:05:49,436 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:05:48" (3/4) ...
[2022-11-21 09:05:49,440 INFO  L140         WitnessPrinter]: No result that supports witness generation found
[2022-11-21 09:05:49,441 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-21 09:05:49,442 INFO  L158              Benchmark]: Toolchain (without parser) took 1596.39ms. Allocated memory is still 163.6MB. Free memory was 130.0MB in the beginning and 78.4MB in the end (delta: 51.6MB). Peak memory consumption was 52.4MB. Max. memory is 16.1GB.
[2022-11-21 09:05:49,443 INFO  L158              Benchmark]: CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 09:05:49,443 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 319.59ms. Allocated memory is still 163.6MB. Free memory was 130.0MB in the beginning and 118.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-21 09:05:49,444 INFO  L158              Benchmark]: Boogie Procedure Inliner took 54.89ms. Allocated memory is still 163.6MB. Free memory was 118.3MB in the beginning and 116.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-21 09:05:49,445 INFO  L158              Benchmark]: Boogie Preprocessor took 41.34ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 115.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 09:05:49,445 INFO  L158              Benchmark]: RCFGBuilder took 433.99ms. Allocated memory is still 163.6MB. Free memory was 115.2MB in the beginning and 103.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
[2022-11-21 09:05:49,446 INFO  L158              Benchmark]: TraceAbstraction took 732.09ms. Allocated memory is still 163.6MB. Free memory was 102.6MB in the beginning and 78.4MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2022-11-21 09:05:49,447 INFO  L158              Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 163.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2022-11-21 09:05:49,451 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.32ms. Allocated memory is still 163.6MB. Free memory is still 110.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 319.59ms. Allocated memory is still 163.6MB. Free memory was 130.0MB in the beginning and 118.7MB in the end (delta: 11.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 54.89ms. Allocated memory is still 163.6MB. Free memory was 118.3MB in the beginning and 116.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 41.34ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 115.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 433.99ms. Allocated memory is still 163.6MB. Free memory was 115.2MB in the beginning and 103.6MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 732.09ms. Allocated memory is still 163.6MB. Free memory was 102.6MB in the beginning and 78.4MB in the end (delta: 24.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Witness Printer took 6.19ms. Allocated memory is still 163.6MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - UnprovableResult [Line: 102]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 93. 
Possible FailurePath: 
[L108]  COND FALSE  !(__VERIFIER_nondet_int())
[L111]  CALL        main2()
[L90]               float IN = __VERIFIER_nondet_float();
[L91]   CALL        assume_abort_if_not(IN > -0.4f && IN < 0.4f)
[L75]   COND FALSE  !(!cond)
        VAL         [\old(cond)=1, cond=1]
[L91]   RET         assume_abort_if_not(IN > -0.4f && IN < 0.4f)
[L93]   CALL, EXPR  f(IN)
[L80]               return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f;
        VAL         [\old(x)=109, x=109]
[L93]   RET, EXPR   f(IN)
[L93]   CALL, EXPR  fp(IN)
[L85]               return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f;
        VAL         [\old(x)=109, x=109]
[L93]   RET, EXPR   fp(IN)
[L93]               float x = IN - f(IN)/fp(IN);
[L101]  COND TRUE   !(x < 0.1)
        VAL         [IN=109]
[L102]              reach_error()
        VAL         [IN=109]

  - UnprovableResult [Line: 27]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 1 procedures, 27 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 31 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 31 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=27occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 18 NumberOfCodeBlocks, 18 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
[2022-11-21 09:05:49,490 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/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
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_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/config/AutomizerReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 96ec2e8436d28d80fc74b2bfe826a0c3f658cac9b1711d8b968fe796010eaf24
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-b5237d8
[2022-11-21 09:05:52,594 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2022-11-21 09:05:52,597 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-21 09:05:52,648 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-21 09:05:52,648 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-21 09:05:52,653 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-21 09:05:52,657 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-21 09:05:52,661 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-21 09:05:52,664 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-21 09:05:52,671 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-21 09:05:52,672 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2022-11-21 09:05:52,673 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-21 09:05:52,674 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-21 09:05:52,677 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-21 09:05:52,679 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-21 09:05:52,685 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-21 09:05:52,686 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-21 09:05:52,687 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-21 09:05:52,689 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-21 09:05:52,691 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-21 09:05:52,693 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-21 09:05:52,700 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-21 09:05:52,701 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2022-11-21 09:05:52,703 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-21 09:05:52,718 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-21 09:05:52,719 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-21 09:05:52,719 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-21 09:05:52,720 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-21 09:05:52,721 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-21 09:05:52,722 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-21 09:05:52,722 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-21 09:05:52,723 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-21 09:05:52,724 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-21 09:05:52,728 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-21 09:05:52,738 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-21 09:05:52,739 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-21 09:05:52,740 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-21 09:05:52,740 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-21 09:05:52,741 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-21 09:05:52,742 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-21 09:05:52,743 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-11-21 09:05:52,749 INFO  L101        SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/config/svcomp-Reach-32bit-Automizer_Bitvector.epf
[2022-11-21 09:05:52,800 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-11-21 09:05:52,800 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-21 09:05:52,802 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-21 09:05:52,802 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-21 09:05:52,803 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-11-21 09:05:52,804 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-11-21 09:05:52,805 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-21 09:05:52,805 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-11-21 09:05:52,805 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-11-21 09:05:52,806 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-21 09:05:52,807 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-11-21 09:05:52,807 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-11-21 09:05:52,808 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-11-21 09:05:52,808 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-11-21 09:05:52,808 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-11-21 09:05:52,809 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-11-21 09:05:52,809 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2022-11-21 09:05:52,809 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2022-11-21 09:05:52,810 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2022-11-21 09:05:52,810 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-11-21 09:05:52,810 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-11-21 09:05:52,811 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-11-21 09:05:52,811 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-11-21 09:05:52,811 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-21 09:05:52,812 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-11-21 09:05:52,812 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-11-21 09:05:52,813 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 09:05:52,813 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-21 09:05:52,813 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-11-21 09:05:52,814 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-11-21 09:05:52,814 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2022-11-21 09:05:52,814 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2022-11-21 09:05:52,815 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2022-11-21 09:05:52,815 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2022-11-21 09:05:52,816 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-11-21 09:05:52,816 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2022-11-21 09:05:52,816 INFO  L138        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_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/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_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
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 ! call(reach_error())) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96ec2e8436d28d80fc74b2bfe826a0c3f658cac9b1711d8b968fe796010eaf24
[2022-11-21 09:05:53,338 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-21 09:05:53,377 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-21 09:05:53,381 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-21 09:05:53,382 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-11-21 09:05:53,383 INFO  L275        PluginConnector]: CDTParser initialized
[2022-11-21 09:05:53,385 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/../../sv-benchmarks/c/combinations/gcd_3+newton_1_2.i
[2022-11-21 09:05:57,273 INFO  L500              CDTParser]: Created temporary CDT project at NULL
[2022-11-21 09:05:57,504 INFO  L351              CDTParser]: Found 1 translation units.
[2022-11-21 09:05:57,505 INFO  L172              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i
[2022-11-21 09:05:57,521 INFO  L394              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/data/17b4a4907/14352742f3aa4dd8914d57c5d9295845/FLAG211c1a78c
[2022-11-21 09:05:57,544 INFO  L402              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/data/17b4a4907/14352742f3aa4dd8914d57c5d9295845
[2022-11-21 09:05:57,546 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-21 09:05:57,548 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-21 09:05:57,549 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-21 09:05:57,550 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-21 09:05:57,558 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-21 09:05:57,559 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:57,560 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47ff00c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57, skipping insertion in model container
[2022-11-21 09:05:57,561 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:57,571 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-11-21 09:05:57,605 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-11-21 09:05:57,801 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i[1226,1239]
[2022-11-21 09:05:57,833 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i[2820,2833]
[2022-11-21 09:05:57,835 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-21 09:05:57,852 INFO  L203         MainTranslator]: Completed pre-run
[2022-11-21 09:05:57,871 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i[1226,1239]
[2022-11-21 09:05:57,884 WARN  L237   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/sv-benchmarks/c/combinations/gcd_3+newton_1_2.i[2820,2833]
[2022-11-21 09:05:57,886 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-11-21 09:05:57,907 INFO  L208         MainTranslator]: Completed translation
[2022-11-21 09:05:57,908 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57 WrapperNode
[2022-11-21 09:05:57,908 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-21 09:05:57,910 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-21 09:05:57,910 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-21 09:05:57,910 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-21 09:05:57,920 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:57,935 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:57,968 INFO  L138                Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81
[2022-11-21 09:05:57,969 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-21 09:05:57,970 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-21 09:05:57,970 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-21 09:05:57,970 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-11-21 09:05:57,983 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:57,983 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:57,991 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:57,991 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:58,006 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:58,023 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:58,025 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:58,027 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:58,031 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-21 09:05:58,038 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-21 09:05:58,039 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-11-21 09:05:58,039 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-11-21 09:05:58,040 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (1/1) ...
[2022-11-21 09:05:58,049 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-11-21 09:05:58,068 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/z3
[2022-11-21 09:05:58,084 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-11-21 09:05:58,116 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-11-21 09:05:58,148 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-21 09:05:58,150 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2022-11-21 09:05:58,151 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-21 09:05:58,151 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-21 09:05:58,304 INFO  L235             CfgBuilder]: Building ICFG
[2022-11-21 09:05:58,307 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-21 09:06:05,467 INFO  L276             CfgBuilder]: Performing block encoding
[2022-11-21 09:06:05,474 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-21 09:06:05,474 INFO  L300             CfgBuilder]: Removed 1 assume(true) statements.
[2022-11-21 09:06:05,476 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:06:05 BoogieIcfgContainer
[2022-11-21 09:06:05,476 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-21 09:06:05,479 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-11-21 09:06:05,479 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-11-21 09:06:05,484 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-11-21 09:06:05,484 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 09:05:57" (1/3) ...
[2022-11-21 09:06:05,485 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f80f5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:06:05, skipping insertion in model container
[2022-11-21 09:06:05,485 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 09:05:57" (2/3) ...
[2022-11-21 09:06:05,486 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f80f5ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 09:06:05, skipping insertion in model container
[2022-11-21 09:06:05,486 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 09:06:05" (3/3) ...
[2022-11-21 09:06:05,488 INFO  L112   eAbstractionObserver]: Analyzing ICFG gcd_3+newton_1_2.i
[2022-11-21 09:06:05,526 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-11-21 09:06:05,527 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2022-11-21 09:06:05,587 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-11-21 09:06:05,596 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@3ae03053, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2022-11-21 09:06:05,596 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2022-11-21 09:06:05,601 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:06:05,609 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-11-21 09:06:05,610 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:06:05,611 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:06:05,611 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:06:05,618 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:06:05,618 INFO  L85        PathProgramCache]: Analyzing trace with hash 447749113, now seen corresponding path program 1 times
[2022-11-21 09:06:05,635 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-21 09:06:05,635 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2004864757]
[2022-11-21 09:06:05,636 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:06:05,636 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
[2022-11-21 09:06:05,637 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/mathsat
[2022-11-21 09:06:05,643 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/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)
[2022-11-21 09:06:05,671 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/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
[2022-11-21 09:06:07,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-21 09:06:07,551 INFO  L263         TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 1 conjunts are in the unsatisfiable core
[2022-11-21 09:06:07,556 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-11-21 09:06:07,575 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-21 09:06:07,576 INFO  L324         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2022-11-21 09:06:07,577 INFO  L136   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2022-11-21 09:06:07,577 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2004864757]
[2022-11-21 09:06:07,578 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleMathsat [2004864757] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-21 09:06:07,578 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-21 09:06:07,579 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-11-21 09:06:07,581 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008832775]
[2022-11-21 09:06:07,582 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-21 09:06:07,586 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-11-21 09:06:07,587 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2022-11-21 09:06:07,625 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-11-21 09:06:07,625 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-21 09:06:07,627 INFO  L87              Difference]: Start difference. First operand  has 27 states, 24 states have (on average 1.4583333333333333) internal successors, (35), 26 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:06:07,646 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-21 09:06:07,646 INFO  L93              Difference]: Finished difference Result 47 states and 57 transitions.
[2022-11-21 09:06:07,647 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-11-21 09:06:07,649 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9
[2022-11-21 09:06:07,649 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2022-11-21 09:06:07,657 INFO  L225             Difference]: With dead ends: 47
[2022-11-21 09:06:07,657 INFO  L226             Difference]: Without dead ends: 19
[2022-11-21 09:06:07,660 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-11-21 09:06:07,664 INFO  L413           NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2022-11-21 09:06:07,666 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2022-11-21 09:06:07,685 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 19 states.
[2022-11-21 09:06:07,697 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19.
[2022-11-21 09:06:07,699 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 19 states, 17 states have (on average 1.2352941176470589) internal successors, (21), 18 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:06:07,700 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 21 transitions.
[2022-11-21 09:06:07,702 INFO  L78                 Accepts]: Start accepts. Automaton has 19 states and 21 transitions. Word has length 9
[2022-11-21 09:06:07,702 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2022-11-21 09:06:07,702 INFO  L495      AbstractCegarLoop]: Abstraction has 19 states and 21 transitions.
[2022-11-21 09:06:07,703 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-11-21 09:06:07,703 INFO  L276                IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions.
[2022-11-21 09:06:07,704 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 10
[2022-11-21 09:06:07,704 INFO  L187           NwaCegarLoop]: Found error trace
[2022-11-21 09:06:07,704 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-21 09:06:07,751 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/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)] Ended with exit code 0
[2022-11-21 09:06:07,919 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/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
[2022-11-21 09:06:07,920 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION] ===
[2022-11-21 09:06:07,920 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-11-21 09:06:07,921 INFO  L85        PathProgramCache]: Analyzing trace with hash 505007415, now seen corresponding path program 1 times
[2022-11-21 09:06:07,921 INFO  L118   FreeRefinementEngine]: Executing refinement strategy WOLF
[2022-11-21 09:06:07,922 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1113659501]
[2022-11-21 09:06:07,922 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-21 09:06:07,922 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
[2022-11-21 09:06:07,922 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/mathsat
[2022-11-21 09:06:07,924 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/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)
[2022-11-21 09:06:07,926 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_973faa3f-bd30-4620-9d12-c20092dd029d/bin/uautomizer-vX5HgA9Q3a/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