./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i --full-output --architecture 32bit


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


Checking for overflows
Using default analysis
Version 0e0057cc
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Overflow-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-11-24 22:08:03,878 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-24 22:08:03,942 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/config/svcomp-Overflow-32bit-GemCutter_Default.epf
[2023-11-24 22:08:03,947 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-24 22:08:03,948 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-24 22:08:03,973 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-24 22:08:03,974 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-24 22:08:03,975 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-24 22:08:03,976 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-24 22:08:03,976 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-24 22:08:03,977 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-24 22:08:03,978 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-24 22:08:03,979 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-24 22:08:03,979 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-24 22:08:03,980 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-24 22:08:03,981 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-24 22:08:03,981 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-24 22:08:03,982 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-24 22:08:03,983 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-24 22:08:03,983 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-24 22:08:03,984 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-24 22:08:03,984 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-24 22:08:03,985 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-11-24 22:08:03,985 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-11-24 22:08:03,986 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-24 22:08:03,986 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-24 22:08:03,987 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-24 22:08:03,987 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-24 22:08:03,988 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-24 22:08:04,003 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-24 22:08:04,004 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-24 22:08:04,004 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-24 22:08:04,005 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-24 22:08:04,005 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-24 22:08:04,006 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-24 22:08:04,006 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-24 22:08:04,007 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2023-11-24 22:08:04,007 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-24 22:08:04,007 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-24 22:08:04,008 INFO  L153        SettingsManager]:  * Abstraction used for commutativity in POR=VARIABLES_GLOBAL
[2023-11-24 22:08:04,008 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-11-24 22:08:04,008 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-24 22:08:04,009 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-11-24 22:08:04,009 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-11-24 22:08:04,010 INFO  L153        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_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/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_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S
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 -> GemCutter
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 -> 6efa0097353392a416215c2535cfc6cdc34364d9b0eb2844e37da9edef467642
[2023-11-24 22:08:04,258 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-24 22:08:04,289 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-24 22:08:04,291 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-24 22:08:04,293 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-24 22:08:04,293 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-24 22:08:04,295 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/../../sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i
[2023-11-24 22:08:07,558 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-24 22:08:07,886 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-24 22:08:07,887 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/sv-benchmarks/c/goblint-regression/28-race_reach_92-evilcollapse_racing.i
[2023-11-24 22:08:07,917 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/data/77aedeae8/4fbb7e05b16e4925a22a83fbd572d762/FLAGad41162da
[2023-11-24 22:08:07,937 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/data/77aedeae8/4fbb7e05b16e4925a22a83fbd572d762
[2023-11-24 22:08:07,943 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-24 22:08:07,945 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-24 22:08:07,946 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-24 22:08:07,947 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-24 22:08:07,954 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-24 22:08:07,958 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:08:07" (1/1) ...
[2023-11-24 22:08:07,959 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70a4a962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:07, skipping insertion in model container
[2023-11-24 22:08:07,960 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:08:07" (1/1) ...
[2023-11-24 22:08:08,044 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-24 22:08:08,707 WARN  L1590              CHandler]: Possible shadowing of function new
[2023-11-24 22:08:08,708 WARN  L1590              CHandler]: Possible shadowing of function new
[2023-11-24 22:08:08,708 WARN  L1590              CHandler]: Possible shadowing of function new
[2023-11-24 22:08:08,710 WARN  L1590              CHandler]: Possible shadowing of function new
[2023-11-24 22:08:08,749 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 22:08:08,790 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-24 22:08:08,843 WARN  L1590              CHandler]: Possible shadowing of function new
[2023-11-24 22:08:08,843 WARN  L1590              CHandler]: Possible shadowing of function new
[2023-11-24 22:08:08,844 WARN  L1590              CHandler]: Possible shadowing of function new
[2023-11-24 22:08:08,844 WARN  L1590              CHandler]: Possible shadowing of function new
[2023-11-24 22:08:08,859 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-24 22:08:08,961 INFO  L206         MainTranslator]: Completed translation
[2023-11-24 22:08:08,962 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08 WrapperNode
[2023-11-24 22:08:08,962 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-24 22:08:08,963 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-24 22:08:08,963 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-24 22:08:08,963 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-24 22:08:08,969 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:08,991 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,057 INFO  L138                Inliner]: procedures = 279, calls = 56, calls flagged for inlining = 12, calls inlined = 13, statements flattened = 259
[2023-11-24 22:08:09,058 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-24 22:08:09,059 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-24 22:08:09,059 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-24 22:08:09,059 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-24 22:08:09,070 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,077 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,084 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,085 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,101 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,108 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,112 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,114 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,120 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-24 22:08:09,121 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-24 22:08:09,122 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-24 22:08:09,122 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-24 22:08:09,123 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (1/1) ...
[2023-11-24 22:08:09,132 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-24 22:08:09,145 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:09,163 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-24 22:08:09,189 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-24 22:08:09,205 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-24 22:08:09,206 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-11-24 22:08:09,206 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-24 22:08:09,207 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2023-11-24 22:08:09,207 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-11-24 22:08:09,207 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-11-24 22:08:09,207 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-24 22:08:09,207 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-11-24 22:08:09,207 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-24 22:08:09,208 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-11-24 22:08:09,208 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2023-11-24 22:08:09,208 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2023-11-24 22:08:09,208 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-24 22:08:09,209 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-24 22:08:09,210 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-24 22:08:09,211 WARN  L213             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-24 22:08:09,406 INFO  L241             CfgBuilder]: Building ICFG
[2023-11-24 22:08:09,408 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-24 22:08:09,997 INFO  L282             CfgBuilder]: Performing block encoding
[2023-11-24 22:08:10,457 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-24 22:08:10,457 INFO  L309             CfgBuilder]: Removed 16 assume(true) statements.
[2023-11-24 22:08:10,458 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:08:10 BoogieIcfgContainer
[2023-11-24 22:08:10,459 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-24 22:08:10,464 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-24 22:08:10,464 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-24 22:08:10,467 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-24 22:08:10,468 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 10:08:07" (1/3) ...
[2023-11-24 22:08:10,469 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f68400b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:08:10, skipping insertion in model container
[2023-11-24 22:08:10,469 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:08:08" (2/3) ...
[2023-11-24 22:08:10,471 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f68400b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 10:08:10, skipping insertion in model container
[2023-11-24 22:08:10,471 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:08:10" (3/3) ...
[2023-11-24 22:08:10,473 INFO  L112   eAbstractionObserver]: Analyzing ICFG 28-race_reach_92-evilcollapse_racing.i
[2023-11-24 22:08:10,490 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-24 22:08:10,500 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-24 22:08:10,500 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations.
[2023-11-24 22:08:10,500 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-24 22:08:10,578 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-11-24 22:08:10,639 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-24 22:08:10,640 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-11-24 22:08:10,640 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:10,643 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-11-24 22:08:10,646 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-11-24 22:08:10,708 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-11-24 22:08:10,721 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ========
[2023-11-24 22:08:10,729 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=PARTIAL_ORDER_FA, 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;@74ae9c0f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-24 22:08:10,729 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2023-11-24 22:08:11,090 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:11,095 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:11,096 INFO  L85        PathProgramCache]: Analyzing trace with hash 435702317, now seen corresponding path program 1 times
[2023-11-24 22:08:11,106 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:11,107 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643116733]
[2023-11-24 22:08:11,107 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:11,107 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:11,231 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:11,478 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:08:11,479 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:11,479 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643116733]
[2023-11-24 22:08:11,480 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643116733] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 22:08:11,480 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 22:08:11,480 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-24 22:08:11,482 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448730834]
[2023-11-24 22:08:11,483 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 22:08:11,487 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 22:08:11,487 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:11,515 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 22:08:11,516 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-24 22:08:11,517 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:11,521 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:11,522 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:11,522 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:11,797 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:11,797 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-24 22:08:11,798 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:11,798 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:11,799 INFO  L85        PathProgramCache]: Analyzing trace with hash 181088912, now seen corresponding path program 1 times
[2023-11-24 22:08:11,799 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:11,799 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206380950]
[2023-11-24 22:08:11,800 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:11,800 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:11,861 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:11,961 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:08:11,961 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:11,961 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206380950]
[2023-11-24 22:08:11,962 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206380950] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 22:08:11,962 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 22:08:11,962 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-24 22:08:11,962 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26808857]
[2023-11-24 22:08:11,967 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 22:08:11,968 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-24 22:08:11,969 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:11,969 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-24 22:08:11,970 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-24 22:08:11,970 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:11,971 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:11,971 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:11,971 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:11,972 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:12,197 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:12,198 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:12,198 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-24 22:08:12,199 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:12,199 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:12,199 INFO  L85        PathProgramCache]: Analyzing trace with hash -481570461, now seen corresponding path program 1 times
[2023-11-24 22:08:12,200 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:12,200 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618268416]
[2023-11-24 22:08:12,200 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:12,200 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:12,301 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-24 22:08:12,306 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [8121128]
[2023-11-24 22:08:12,307 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:12,307 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:12,308 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:12,341 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:12,369 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-24 22:08:12,544 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:12,547 INFO  L262         TraceCheckSpWp]: Trace formula consists of 289 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-24 22:08:12,553 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:12,582 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:08:12,582 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:08:12,618 INFO  L134       CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:08:12,618 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:12,619 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618268416]
[2023-11-24 22:08:12,619 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-24 22:08:12,619 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [8121128]
[2023-11-24 22:08:12,619 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [8121128] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:08:12,619 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-24 22:08:12,620 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8
[2023-11-24 22:08:12,620 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138339557]
[2023-11-24 22:08:12,620 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:08:12,621 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-24 22:08:12,621 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:12,622 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-24 22:08:12,622 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2023-11-24 22:08:12,622 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:12,623 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:12,623 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.125) internal successors, (33), 8 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:12,623 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:12,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:12,624 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:13,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:13,447 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:13,448 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:13,460 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:13,654 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:13,655 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:13,655 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:13,656 INFO  L85        PathProgramCache]: Analyzing trace with hash 2011099523, now seen corresponding path program 2 times
[2023-11-24 22:08:13,656 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:13,656 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166332194]
[2023-11-24 22:08:13,656 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:13,656 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:13,743 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-24 22:08:13,743 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1046161708]
[2023-11-24 22:08:13,743 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-24 22:08:13,743 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:13,744 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:13,745 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:13,765 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-24 22:08:14,087 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-24 22:08:14,088 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-24 22:08:14,090 INFO  L262         TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-24 22:08:14,095 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:14,125 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked.
[2023-11-24 22:08:14,126 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-24 22:08:14,126 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:14,126 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166332194]
[2023-11-24 22:08:14,126 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-24 22:08:14,127 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1046161708]
[2023-11-24 22:08:14,127 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1046161708] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 22:08:14,127 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 22:08:14,127 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-24 22:08:14,127 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341350217]
[2023-11-24 22:08:14,128 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 22:08:14,129 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-24 22:08:14,129 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:14,130 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-24 22:08:14,131 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-24 22:08:14,131 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:14,132 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:14,132 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:14,132 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:14,132 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:14,133 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:14,133 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:14,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:14,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:14,502 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:14,503 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:14,515 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:14,716 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:14,716 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:14,717 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:14,717 INFO  L85        PathProgramCache]: Analyzing trace with hash -1216511514, now seen corresponding path program 1 times
[2023-11-24 22:08:14,717 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:14,717 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609186855]
[2023-11-24 22:08:14,718 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:14,718 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:14,808 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-24 22:08:14,811 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [636873098]
[2023-11-24 22:08:14,811 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:14,811 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:14,811 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:14,814 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:14,827 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2023-11-24 22:08:15,122 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:15,126 INFO  L262         TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-24 22:08:15,129 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:15,200 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:08:15,200 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:08:15,335 INFO  L134       CoverageAnalysis]: Checked inductivity of 19 backedges. 1 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-24 22:08:15,336 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:15,336 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609186855]
[2023-11-24 22:08:15,336 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-24 22:08:15,337 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636873098]
[2023-11-24 22:08:15,337 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [636873098] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:08:15,337 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-24 22:08:15,337 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16
[2023-11-24 22:08:15,337 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302228138]
[2023-11-24 22:08:15,338 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:08:15,339 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-24 22:08:15,339 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:15,340 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-24 22:08:15,341 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240
[2023-11-24 22:08:15,341 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:15,342 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:15,342 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:15,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:15,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:15,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:15,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:15,343 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:16,575 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:16,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:16,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:16,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:16,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:16,589 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0
[2023-11-24 22:08:16,788 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:16,789 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:16,789 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:16,789 INFO  L85        PathProgramCache]: Analyzing trace with hash 1631797670, now seen corresponding path program 2 times
[2023-11-24 22:08:16,790 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:16,790 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047696549]
[2023-11-24 22:08:16,790 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:16,790 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:16,994 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-24 22:08:16,994 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1225746070]
[2023-11-24 22:08:16,995 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-24 22:08:16,995 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:16,995 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:16,996 INFO  L229       MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:17,004 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process
[2023-11-24 22:08:17,398 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2023-11-24 22:08:17,398 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-24 22:08:17,400 INFO  L262         TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 3 conjunts are in the unsatisfiable core
[2023-11-24 22:08:17,404 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:17,428 INFO  L134       CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked.
[2023-11-24 22:08:17,429 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-24 22:08:17,429 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:17,429 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047696549]
[2023-11-24 22:08:17,429 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-24 22:08:17,430 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1225746070]
[2023-11-24 22:08:17,430 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1225746070] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-24 22:08:17,430 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-24 22:08:17,430 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-24 22:08:17,431 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126856949]
[2023-11-24 22:08:17,431 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-24 22:08:17,432 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-24 22:08:17,433 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:17,434 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-24 22:08:17,438 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-24 22:08:17,438 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:17,439 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:17,440 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:17,440 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:17,440 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:17,440 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:17,440 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:17,441 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:17,447 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:17,812 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:17,812 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:17,812 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:17,813 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:17,813 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:17,813 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:17,826 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:18,030 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:18,030 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:18,030 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:18,030 INFO  L85        PathProgramCache]: Analyzing trace with hash 2043965457, now seen corresponding path program 1 times
[2023-11-24 22:08:18,031 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:18,031 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31646367]
[2023-11-24 22:08:18,031 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:18,031 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:18,182 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-24 22:08:18,186 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1604555697]
[2023-11-24 22:08:18,187 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:18,187 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:18,187 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:18,188 INFO  L229       MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:18,221 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process
[2023-11-24 22:08:18,771 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-24 22:08:18,778 INFO  L262         TraceCheckSpWp]: Trace formula consists of 856 conjuncts, 16 conjunts are in the unsatisfiable core
[2023-11-24 22:08:18,782 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:18,997 INFO  L134       CoverageAnalysis]: Checked inductivity of 115 backedges. 1 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-24 22:08:18,998 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:08:19,355 INFO  L134       CoverageAnalysis]: Checked inductivity of 115 backedges. 1 proven. 112 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-24 22:08:19,355 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:19,355 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31646367]
[2023-11-24 22:08:19,355 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-24 22:08:19,355 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1604555697]
[2023-11-24 22:08:19,355 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1604555697] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:08:19,356 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-24 22:08:19,356 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32
[2023-11-24 22:08:19,356 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765073514]
[2023-11-24 22:08:19,356 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:08:19,357 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 32 states
[2023-11-24 22:08:19,357 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:19,358 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants.
[2023-11-24 22:08:19,359 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=272, Invalid=720, Unknown=0, NotChecked=0, Total=992
[2023-11-24 22:08:19,359 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:19,360 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:19,360 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 32 states, 32 states have (on average 2.96875) internal successors, (95), 32 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:19,361 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:19,361 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:19,361 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:19,361 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:19,361 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:19,361 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:19,362 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:21,585 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:21,585 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:21,585 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:21,585 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:21,586 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:21,586 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:21,586 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2023-11-24 22:08:21,598 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:21,794 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:21,795 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:21,795 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:21,795 INFO  L85        PathProgramCache]: Analyzing trace with hash 1587408785, now seen corresponding path program 2 times
[2023-11-24 22:08:21,795 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:21,795 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448648265]
[2023-11-24 22:08:21,795 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:21,796 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:22,091 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-24 22:08:22,092 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1833461499]
[2023-11-24 22:08:22,092 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2023-11-24 22:08:22,092 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:22,092 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:22,093 INFO  L229       MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:22,121 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process
[2023-11-24 22:08:23,068 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2023-11-24 22:08:23,068 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-24 22:08:23,079 INFO  L262         TraceCheckSpWp]: Trace formula consists of 1584 conjuncts, 32 conjunts are in the unsatisfiable core
[2023-11-24 22:08:23,086 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:23,783 INFO  L134       CoverageAnalysis]: Checked inductivity of 543 backedges. 1 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-24 22:08:23,783 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:08:25,019 INFO  L134       CoverageAnalysis]: Checked inductivity of 543 backedges. 1 proven. 540 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2023-11-24 22:08:25,020 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:25,020 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448648265]
[2023-11-24 22:08:25,020 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-24 22:08:25,021 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833461499]
[2023-11-24 22:08:25,021 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833461499] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:08:25,021 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-24 22:08:25,021 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33] total 61
[2023-11-24 22:08:25,021 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1108727716]
[2023-11-24 22:08:25,022 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:08:25,023 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 61 states
[2023-11-24 22:08:25,023 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:25,025 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants.
[2023-11-24 22:08:25,027 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=960, Invalid=2700, Unknown=0, NotChecked=0, Total=3660
[2023-11-24 22:08:25,028 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:25,029 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:25,029 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 61 states, 61 states have (on average 2.7868852459016393) internal successors, (170), 61 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:25,029 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:25,030 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:25,030 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:25,030 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:25,030 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:25,030 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:25,030 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2023-11-24 22:08:25,030 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:30,095 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:30,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:30,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:30,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:30,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:30,096 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:30,097 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2023-11-24 22:08:30,097 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2023-11-24 22:08:30,110 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0
[2023-11-24 22:08:30,307 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:30,307 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:30,307 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:30,308 INFO  L85        PathProgramCache]: Analyzing trace with hash 1142528516, now seen corresponding path program 3 times
[2023-11-24 22:08:30,308 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:30,308 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106957989]
[2023-11-24 22:08:30,308 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:30,308 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:30,889 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-24 22:08:30,889 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [803861504]
[2023-11-24 22:08:30,889 INFO  L93    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2023-11-24 22:08:30,890 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:30,890 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:30,899 INFO  L229       MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:30,921 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process
[2023-11-24 22:08:31,994 INFO  L228   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s)
[2023-11-24 22:08:31,994 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-24 22:08:31,998 INFO  L262         TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-24 22:08:32,002 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:32,262 INFO  L134       CoverageAnalysis]: Checked inductivity of 2208 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2207 trivial. 0 not checked.
[2023-11-24 22:08:32,262 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:08:32,577 INFO  L134       CoverageAnalysis]: Checked inductivity of 2208 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2207 trivial. 0 not checked.
[2023-11-24 22:08:32,578 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:32,578 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106957989]
[2023-11-24 22:08:32,578 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-24 22:08:32,578 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803861504]
[2023-11-24 22:08:32,578 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [803861504] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:08:32,578 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-24 22:08:32,578 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7
[2023-11-24 22:08:32,579 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615176758]
[2023-11-24 22:08:32,579 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:08:32,580 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 8 states
[2023-11-24 22:08:32,580 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:32,580 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2023-11-24 22:08:32,581 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56
[2023-11-24 22:08:32,581 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:32,582 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:32,582 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 8 states, 8 states have (on average 4.875) internal successors, (39), 7 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:32,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:32,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:32,582 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:32,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:32,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:32,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:32,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2023-11-24 22:08:32,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2023-11-24 22:08:32,583 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:33,065 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:33,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:33,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:33,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:33,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:33,066 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:33,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2023-11-24 22:08:33,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2023-11-24 22:08:33,067 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:33,082 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:33,282 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8
[2023-11-24 22:08:33,282 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:33,282 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:33,283 INFO  L85        PathProgramCache]: Analyzing trace with hash -390058198, now seen corresponding path program 4 times
[2023-11-24 22:08:33,283 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:33,283 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [71865239]
[2023-11-24 22:08:33,283 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:33,283 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:34,802 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-24 22:08:34,802 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2068968364]
[2023-11-24 22:08:34,802 INFO  L93    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2023-11-24 22:08:34,803 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:34,803 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:34,804 INFO  L229       MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:34,822 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process
[2023-11-24 22:08:39,108 INFO  L228   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2023-11-24 22:08:39,108 INFO  L229   tOrderPrioritization]: Conjunction of SSA is unsat
[2023-11-24 22:08:39,168 INFO  L262         TraceCheckSpWp]: Trace formula consists of 8477 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-24 22:08:39,183 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-24 22:08:39,872 INFO  L134       CoverageAnalysis]: Checked inductivity of 20312 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 6617 trivial. 0 not checked.
[2023-11-24 22:08:39,872 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-24 22:08:40,566 INFO  L134       CoverageAnalysis]: Checked inductivity of 20312 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 6617 trivial. 0 not checked.
[2023-11-24 22:08:40,566 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-24 22:08:40,566 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [71865239]
[2023-11-24 22:08:40,567 WARN  L311   FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT
[2023-11-24 22:08:40,567 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2068968364]
[2023-11-24 22:08:40,567 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2068968364] provided 0 perfect and 2 imperfect interpolant sequences
[2023-11-24 22:08:40,567 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences.
[2023-11-24 22:08:40,568 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15
[2023-11-24 22:08:40,571 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882153552]
[2023-11-24 22:08:40,571 INFO  L85    oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton
[2023-11-24 22:08:40,572 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 16 states
[2023-11-24 22:08:40,572 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-24 22:08:40,573 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants.
[2023-11-24 22:08:40,574 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240
[2023-11-24 22:08:40,574 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:40,576 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-24 22:08:40,577 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 16 states, 16 states have (on average 4.6875) internal successors, (75), 15 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-24 22:08:40,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:40,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:40,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:40,577 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:40,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:40,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:40,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. 
[2023-11-24 22:08:40,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. 
[2023-11-24 22:08:40,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:40,578 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-24 22:08:41,413 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:41,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-24 22:08:41,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:41,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:41,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:41,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-11-24 22:08:41,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. 
[2023-11-24 22:08:41,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. 
[2023-11-24 22:08:41,414 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-24 22:08:41,415 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. 
[2023-11-24 22:08:41,453 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0
[2023-11-24 22:08:41,625 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2023-11-24 22:08:41,626 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t_funErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] ===
[2023-11-24 22:08:41,626 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-24 22:08:41,626 INFO  L85        PathProgramCache]: Analyzing trace with hash 1034036342, now seen corresponding path program 5 times
[2023-11-24 22:08:41,627 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-24 22:08:41,627 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23702232]
[2023-11-24 22:08:41,627 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-24 22:08:41,627 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-24 22:08:45,269 ERROR L246   FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2023-11-24 22:08:45,270 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [698692177]
[2023-11-24 22:08:45,270 INFO  L93    rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1
[2023-11-24 22:08:45,271 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-24 22:08:45,271 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3
[2023-11-24 22:08:45,273 INFO  L229       MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-24 22:08:45,293 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c446b870-65c9-468c-8b3f-598c422ec44d/bin/ugemcutter-verify-oI9GxRtH0S/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process