./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.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_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )

 --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b51bd5b35703bd543bead4074e6d14da7b357845ee956f8678aa2abe4dcc1210
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-0e0057c
[2023-12-02 17:44:38,639 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-12-02 17:44:38,700 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Overflow-32bit-Taipan_Default.epf
[2023-12-02 17:44:38,704 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-12-02 17:44:38,705 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-12-02 17:44:38,727 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-12-02 17:44:38,728 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-12-02 17:44:38,728 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-12-02 17:44:38,729 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-12-02 17:44:38,730 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-12-02 17:44:38,730 INFO  L153        SettingsManager]:  * User list type=DISABLED
[2023-12-02 17:44:38,731 INFO  L151        SettingsManager]: Preferences of Abstract Interpretation differ from their defaults:
[2023-12-02 17:44:38,731 INFO  L153        SettingsManager]:  * Explicit value domain=true
[2023-12-02 17:44:38,732 INFO  L153        SettingsManager]:  * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain
[2023-12-02 17:44:38,732 INFO  L153        SettingsManager]:  * Octagon Domain=false
[2023-12-02 17:44:38,733 INFO  L153        SettingsManager]:  * Abstract domain=CompoundDomain
[2023-12-02 17:44:38,733 INFO  L153        SettingsManager]:  * Check feasibility of abstract posts with an SMT solver=true
[2023-12-02 17:44:38,734 INFO  L153        SettingsManager]:  * Use the RCFG-of-the-future interface=true
[2023-12-02 17:44:38,734 INFO  L153        SettingsManager]:  * Interval Domain=false
[2023-12-02 17:44:38,735 INFO  L151        SettingsManager]: Preferences of Sifa differ from their defaults:
[2023-12-02 17:44:38,736 INFO  L153        SettingsManager]:  * Call Summarizer=TopInputCallSummarizer
[2023-12-02 17:44:38,736 INFO  L153        SettingsManager]:  * Simplification Technique=POLY_PAC
[2023-12-02 17:44:38,737 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-12-02 17:44:38,738 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-12-02 17:44:38,738 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-12-02 17:44:38,739 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-12-02 17:44:38,739 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-12-02 17:44:38,739 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-12-02 17:44:38,740 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-12-02 17:44:38,740 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-12-02 17:44:38,741 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-12-02 17:44:38,741 INFO  L153        SettingsManager]:  * Check absence of signed integer overflows=true
[2023-12-02 17:44:38,741 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2023-12-02 17:44:38,742 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-12-02 17:44:38,742 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-12-02 17:44:38,742 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-12-02 17:44:38,750 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-12-02 17:44:38,750 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-12-02 17:44:38,751 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-12-02 17:44:38,751 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 17:44:38,751 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-12-02 17:44:38,752 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-12-02 17:44:38,752 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-12-02 17:44:38,752 INFO  L153        SettingsManager]:  * Trace refinement strategy=SIFA_TAIPAN
[2023-12-02 17:44:38,752 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-12-02 17:44:38,753 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-12-02 17:44:38,753 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-12-02 17:44:38,753 INFO  L153        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2023-12-02 17:44:38,753 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-12-02 17:44:38,753 INFO  L153        SettingsManager]:  * Abstract interpretation Mode=USE_PREDICATES
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b51bd5b35703bd543bead4074e6d14da7b357845ee956f8678aa2abe4dcc1210
[2023-12-02 17:44:38,972 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-12-02 17:44:38,994 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-12-02 17:44:38,997 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-12-02 17:44:38,998 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-12-02 17:44:38,999 INFO  L274        PluginConnector]: CDTParser initialized
[2023-12-02 17:44:39,000 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i
[2023-12-02 17:44:41,733 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-12-02 17:44:41,971 INFO  L384              CDTParser]: Found 1 translation units.
[2023-12-02 17:44:41,972 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/sv-benchmarks/c/pthread-wmm/mix023_power.oepc_pso.oepc_rmo.oepc.i
[2023-12-02 17:44:41,989 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/data/ba455c653/2d4a12bbd91f4de08d8e02aa67d31124/FLAG6b453f3fa
[2023-12-02 17:44:42,000 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/data/ba455c653/2d4a12bbd91f4de08d8e02aa67d31124
[2023-12-02 17:44:42,003 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-12-02 17:44:42,004 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-12-02 17:44:42,005 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-12-02 17:44:42,005 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-12-02 17:44:42,009 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-12-02 17:44:42,010 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,010 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49579d7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42, skipping insertion in model container
[2023-12-02 17:44:42,011 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,055 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-12-02 17:44:42,368 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 17:44:42,378 INFO  L202         MainTranslator]: Completed pre-run
[2023-12-02 17:44:42,435 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-12-02 17:44:42,463 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:44:42,463 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-12-02 17:44:42,469 INFO  L206         MainTranslator]: Completed translation
[2023-12-02 17:44:42,469 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42 WrapperNode
[2023-12-02 17:44:42,470 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-12-02 17:44:42,470 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-12-02 17:44:42,471 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-12-02 17:44:42,471 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-12-02 17:44:42,476 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,494 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,520 INFO  L138                Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 152
[2023-12-02 17:44:42,521 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-12-02 17:44:42,522 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-12-02 17:44:42,522 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-12-02 17:44:42,522 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-12-02 17:44:42,531 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,532 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,536 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,536 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,546 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,548 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,551 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,553 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,557 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-12-02 17:44:42,558 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-12-02 17:44:42,559 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-12-02 17:44:42,559 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-12-02 17:44:42,560 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (1/1) ...
[2023-12-02 17:44:42,566 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-12-02 17:44:42,576 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/z3
[2023-12-02 17:44:42,589 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-12-02 17:44:42,603 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-12-02 17:44:42,626 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-12-02 17:44:42,627 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-12-02 17:44:42,627 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-12-02 17:44:42,627 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-12-02 17:44:42,627 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-12-02 17:44:42,627 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2023-12-02 17:44:42,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2023-12-02 17:44:42,628 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2023-12-02 17:44:42,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2023-12-02 17:44:42,628 INFO  L130     BoogieDeclarations]: Found specification of procedure P2
[2023-12-02 17:44:42,628 INFO  L138     BoogieDeclarations]: Found implementation of procedure P2
[2023-12-02 17:44:42,629 INFO  L130     BoogieDeclarations]: Found specification of procedure P3
[2023-12-02 17:44:42,629 INFO  L138     BoogieDeclarations]: Found implementation of procedure P3
[2023-12-02 17:44:42,629 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-12-02 17:44:42,629 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-12-02 17:44:42,629 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-12-02 17:44:42,630 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-12-02 17:44:42,631 WARN  L213             CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-12-02 17:44:42,759 INFO  L241             CfgBuilder]: Building ICFG
[2023-12-02 17:44:42,761 INFO  L267             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-12-02 17:44:43,141 INFO  L282             CfgBuilder]: Performing block encoding
[2023-12-02 17:44:43,374 INFO  L304             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-12-02 17:44:43,374 INFO  L309             CfgBuilder]: Removed 0 assume(true) statements.
[2023-12-02 17:44:43,375 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:43 BoogieIcfgContainer
[2023-12-02 17:44:43,375 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-12-02 17:44:43,378 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-12-02 17:44:43,378 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-12-02 17:44:43,381 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-12-02 17:44:43,381 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:44:42" (1/3) ...
[2023-12-02 17:44:43,382 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a63de8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:44:43, skipping insertion in model container
[2023-12-02 17:44:43,382 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:44:42" (2/3) ...
[2023-12-02 17:44:43,382 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a63de8c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:44:43, skipping insertion in model container
[2023-12-02 17:44:43,382 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:43" (3/3) ...
[2023-12-02 17:44:43,384 INFO  L112   eAbstractionObserver]: Analyzing ICFG mix023_power.oepc_pso.oepc_rmo.oepc.i
[2023-12-02 17:44:43,393 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-12-02 17:44:43,403 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-12-02 17:44:43,403 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2023-12-02 17:44:43,403 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-12-02 17:44:43,460 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-12-02 17:44:43,489 INFO  L113   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 65 places, 52 transitions, 120 flow
[2023-12-02 17:44:45,562 INFO  L135   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 58408 states, 58328 states have (on average 4.413180633657935) internal successors, (257412), 58407 states have internal predecessors, (257412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:45,579 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-12-02 17:44:45,586 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@26959218, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-12-02 17:44:45,587 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 20 error locations.
[2023-12-02 17:44:45,662 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 58408 states, 58328 states have (on average 4.413180633657935) internal successors, (257412), 58407 states have internal predecessors, (257412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:45,668 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 8
[2023-12-02 17:44:45,668 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 17:44:45,669 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2023-12-02 17:44:45,669 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-12-02 17:44:45,673 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 17:44:45,674 INFO  L85        PathProgramCache]: Analyzing trace with hash -846969445, now seen corresponding path program 1 times
[2023-12-02 17:44:45,683 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 17:44:45,684 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408095631]
[2023-12-02 17:44:45,684 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 17:44:45,685 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 17:44:45,824 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 17:44:45,977 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 17:44:45,977 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 17:44:45,978 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408095631]
[2023-12-02 17:44:45,978 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408095631] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 17:44:45,979 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 17:44:45,979 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2023-12-02 17:44:45,980 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505800965]
[2023-12-02 17:44:45,981 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 17:44:45,985 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-12-02 17:44:45,985 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 17:44:46,013 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-12-02 17:44:46,013 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 17:44:46,105 INFO  L87              Difference]: Start difference. First operand  has 58408 states, 58328 states have (on average 4.413180633657935) internal successors, (257412), 58407 states have internal predecessors, (257412), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand  has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:47,228 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 17:44:47,228 INFO  L93              Difference]: Finished difference Result 42216 states and 179288 transitions.
[2023-12-02 17:44:47,229 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-12-02 17:44:47,231 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7
[2023-12-02 17:44:47,231 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 17:44:47,872 INFO  L225             Difference]: With dead ends: 42216
[2023-12-02 17:44:47,872 INFO  L226             Difference]: Without dead ends: 42216
[2023-12-02 17:44:47,874 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-12-02 17:44:47,878 INFO  L413           NwaCegarLoop]: 13 mSDtfsCounter, 26 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-02 17:44:47,879 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 26 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-02 17:44:48,004 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 42216 states.
[2023-12-02 17:44:49,393 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 42216 to 42216.
[2023-12-02 17:44:49,666 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 42216 states, 42152 states have (on average 4.25336876067565) internal successors, (179288), 42215 states have internal predecessors, (179288), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:50,165 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 42216 states to 42216 states and 179288 transitions.
[2023-12-02 17:44:50,165 INFO  L78                 Accepts]: Start accepts. Automaton has 42216 states and 179288 transitions. Word has length 7
[2023-12-02 17:44:50,166 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 17:44:50,166 INFO  L495      AbstractCegarLoop]: Abstraction has 42216 states and 179288 transitions.
[2023-12-02 17:44:50,166 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:50,166 INFO  L276                IsEmpty]: Start isEmpty. Operand 42216 states and 179288 transitions.
[2023-12-02 17:44:50,177 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-12-02 17:44:50,178 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 17:44:50,178 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 17:44:50,178 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-12-02 17:44:50,179 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-12-02 17:44:50,179 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 17:44:50,180 INFO  L85        PathProgramCache]: Analyzing trace with hash 466139981, now seen corresponding path program 1 times
[2023-12-02 17:44:50,180 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 17:44:50,180 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640290173]
[2023-12-02 17:44:50,180 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 17:44:50,180 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 17:44:50,214 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 17:44:50,324 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 17:44:50,325 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 17:44:50,325 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640290173]
[2023-12-02 17:44:50,326 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640290173] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 17:44:50,326 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 17:44:50,326 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-02 17:44:50,326 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [653064956]
[2023-12-02 17:44:50,326 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 17:44:50,328 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-02 17:44:50,328 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 17:44:50,329 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-02 17:44:50,329 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-12-02 17:44:50,329 INFO  L87              Difference]: Start difference. First operand 42216 states and 179288 transitions. Second operand  has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:51,530 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 17:44:51,530 INFO  L93              Difference]: Finished difference Result 36412 states and 149954 transitions.
[2023-12-02 17:44:51,531 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-02 17:44:51,531 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2023-12-02 17:44:51,531 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 17:44:51,702 INFO  L225             Difference]: With dead ends: 36412
[2023-12-02 17:44:51,702 INFO  L226             Difference]: Without dead ends: 36412
[2023-12-02 17:44:51,702 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2023-12-02 17:44:51,704 INFO  L413           NwaCegarLoop]: 13 mSDtfsCounter, 76 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-02 17:44:51,704 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 39 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-02 17:44:51,787 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 36412 states.
[2023-12-02 17:44:52,875 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 36412 to 35684.
[2023-12-02 17:44:52,938 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 35684 states, 35648 states have (on average 4.165451077199282) internal successors, (148490), 35683 states have internal predecessors, (148490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:53,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 35684 states to 35684 states and 148490 transitions.
[2023-12-02 17:44:53,312 INFO  L78                 Accepts]: Start accepts. Automaton has 35684 states and 148490 transitions. Word has length 15
[2023-12-02 17:44:53,313 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 17:44:53,313 INFO  L495      AbstractCegarLoop]: Abstraction has 35684 states and 148490 transitions.
[2023-12-02 17:44:53,313 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:53,313 INFO  L276                IsEmpty]: Start isEmpty. Operand 35684 states and 148490 transitions.
[2023-12-02 17:44:53,318 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 16
[2023-12-02 17:44:53,318 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 17:44:53,318 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 17:44:53,318 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-12-02 17:44:53,319 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-12-02 17:44:53,344 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 17:44:53,344 INFO  L85        PathProgramCache]: Analyzing trace with hash 466139980, now seen corresponding path program 1 times
[2023-12-02 17:44:53,345 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 17:44:53,345 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740636935]
[2023-12-02 17:44:53,346 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 17:44:53,348 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 17:44:53,412 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 17:44:53,482 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 17:44:53,483 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 17:44:53,483 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740636935]
[2023-12-02 17:44:53,483 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740636935] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 17:44:53,483 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 17:44:53,484 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-12-02 17:44:53,484 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906120782]
[2023-12-02 17:44:53,484 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 17:44:53,485 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-12-02 17:44:53,485 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 17:44:53,485 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-12-02 17:44:53,486 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-02 17:44:53,486 INFO  L87              Difference]: Start difference. First operand 35684 states and 148490 transitions. Second operand  has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:53,778 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 17:44:53,778 INFO  L93              Difference]: Finished difference Result 25016 states and 106068 transitions.
[2023-12-02 17:44:53,778 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2023-12-02 17:44:53,778 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15
[2023-12-02 17:44:53,779 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 17:44:53,879 INFO  L225             Difference]: With dead ends: 25016
[2023-12-02 17:44:53,880 INFO  L226             Difference]: Without dead ends: 25016
[2023-12-02 17:44:53,880 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-12-02 17:44:53,881 INFO  L413           NwaCegarLoop]: 26 mSDtfsCounter, 57 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-12-02 17:44:53,882 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 52 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-12-02 17:44:53,935 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 25016 states.
[2023-12-02 17:44:54,711 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 25016 to 25016.
[2023-12-02 17:44:54,744 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 25016 states, 25006 states have (on average 4.241701991522035) internal successors, (106068), 25015 states have internal predecessors, (106068), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:54,839 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 25016 states to 25016 states and 106068 transitions.
[2023-12-02 17:44:54,839 INFO  L78                 Accepts]: Start accepts. Automaton has 25016 states and 106068 transitions. Word has length 15
[2023-12-02 17:44:54,839 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 17:44:54,839 INFO  L495      AbstractCegarLoop]: Abstraction has 25016 states and 106068 transitions.
[2023-12-02 17:44:54,839 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:54,839 INFO  L276                IsEmpty]: Start isEmpty. Operand 25016 states and 106068 transitions.
[2023-12-02 17:44:54,864 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2023-12-02 17:44:54,864 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 17:44:54,864 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 17:44:54,864 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-12-02 17:44:54,865 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-12-02 17:44:54,865 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 17:44:54,865 INFO  L85        PathProgramCache]: Analyzing trace with hash -379542216, now seen corresponding path program 1 times
[2023-12-02 17:44:54,866 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 17:44:54,866 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116631029]
[2023-12-02 17:44:54,866 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 17:44:54,866 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 17:44:54,892 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 17:44:54,972 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 17:44:54,972 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 17:44:54,973 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116631029]
[2023-12-02 17:44:54,973 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116631029] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 17:44:54,973 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 17:44:54,973 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-12-02 17:44:54,973 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065118869]
[2023-12-02 17:44:54,974 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 17:44:54,974 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-12-02 17:44:54,974 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 17:44:54,975 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-12-02 17:44:54,975 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-12-02 17:44:54,975 INFO  L87              Difference]: Start difference. First operand 25016 states and 106068 transitions. Second operand  has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:55,459 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 17:44:55,459 INFO  L93              Difference]: Finished difference Result 22976 states and 98220 transitions.
[2023-12-02 17:44:55,460 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-12-02 17:44:55,460 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22
[2023-12-02 17:44:55,461 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 17:44:55,594 INFO  L225             Difference]: With dead ends: 22976
[2023-12-02 17:44:55,594 INFO  L226             Difference]: Without dead ends: 22976
[2023-12-02 17:44:55,594 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2023-12-02 17:44:55,596 INFO  L413           NwaCegarLoop]: 13 mSDtfsCounter, 100 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-02 17:44:55,596 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 52 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-02 17:44:55,653 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 22976 states.
[2023-12-02 17:44:56,180 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 22976 to 22976.
[2023-12-02 17:44:56,216 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 22976 states, 22972 states have (on average 4.275639909454989) internal successors, (98220), 22975 states have internal predecessors, (98220), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:56,489 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 22976 states to 22976 states and 98220 transitions.
[2023-12-02 17:44:56,490 INFO  L78                 Accepts]: Start accepts. Automaton has 22976 states and 98220 transitions. Word has length 22
[2023-12-02 17:44:56,490 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 17:44:56,491 INFO  L495      AbstractCegarLoop]: Abstraction has 22976 states and 98220 transitions.
[2023-12-02 17:44:56,491 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:56,491 INFO  L276                IsEmpty]: Start isEmpty. Operand 22976 states and 98220 transitions.
[2023-12-02 17:44:56,541 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-12-02 17:44:56,541 INFO  L187           NwaCegarLoop]: Found error trace
[2023-12-02 17:44:56,541 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-12-02 17:44:56,542 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-12-02 17:44:56,542 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 16 more)] ===
[2023-12-02 17:44:56,542 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-12-02 17:44:56,542 INFO  L85        PathProgramCache]: Analyzing trace with hash 65611336, now seen corresponding path program 1 times
[2023-12-02 17:44:56,542 INFO  L118   FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN
[2023-12-02 17:44:56,543 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562730235]
[2023-12-02 17:44:56,543 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-12-02 17:44:56,543 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-12-02 17:44:56,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-12-02 17:44:56,680 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-12-02 17:44:56,680 INFO  L136   FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace
[2023-12-02 17:44:56,681 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562730235]
[2023-12-02 17:44:56,681 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562730235] provided 1 perfect and 0 imperfect interpolant sequences
[2023-12-02 17:44:56,681 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-12-02 17:44:56,681 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-12-02 17:44:56,681 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401740085]
[2023-12-02 17:44:56,681 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-12-02 17:44:56,682 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-12-02 17:44:56,682 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN
[2023-12-02 17:44:56,682 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-12-02 17:44:56,683 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-12-02 17:44:56,683 INFO  L87              Difference]: Start difference. First operand 22976 states and 98220 transitions. Second operand  has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:56,980 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-12-02 17:44:56,980 INFO  L93              Difference]: Finished difference Result 22752 states and 97468 transitions.
[2023-12-02 17:44:56,981 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-12-02 17:44:56,981 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30
[2023-12-02 17:44:56,981 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-12-02 17:44:56,981 INFO  L225             Difference]: With dead ends: 22752
[2023-12-02 17:44:56,982 INFO  L226             Difference]: Without dead ends: 0
[2023-12-02 17:44:56,982 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2023-12-02 17:44:56,983 INFO  L413           NwaCegarLoop]: 13 mSDtfsCounter, 161 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 161 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-12-02 17:44:56,983 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [161 Valid, 52 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-12-02 17:44:56,983 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-12-02 17:44:56,984 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-12-02 17:44:56,984 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:56,984 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-12-02 17:44:56,984 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 30
[2023-12-02 17:44:56,984 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-12-02 17:44:56,984 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-12-02 17:44:56,984 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-12-02 17:44:56,984 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-12-02 17:44:56,984 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-12-02 17:44:56,986 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 20 remaining)
[2023-12-02 17:44:56,987 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 20 remaining)
[2023-12-02 17:44:56,987 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 20 remaining)
[2023-12-02 17:44:56,987 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 20 remaining)
[2023-12-02 17:44:56,987 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 20 remaining)
[2023-12-02 17:44:56,987 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 20 remaining)
[2023-12-02 17:44:56,988 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 20 remaining)
[2023-12-02 17:44:56,988 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 20 remaining)
[2023-12-02 17:44:56,988 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (11 of 20 remaining)
[2023-12-02 17:44:56,988 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 20 remaining)
[2023-12-02 17:44:56,988 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 20 remaining)
[2023-12-02 17:44:56,988 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 20 remaining)
[2023-12-02 17:44:56,989 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 20 remaining)
[2023-12-02 17:44:56,989 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 20 remaining)
[2023-12-02 17:44:56,989 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 20 remaining)
[2023-12-02 17:44:56,989 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 20 remaining)
[2023-12-02 17:44:56,989 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 20 remaining)
[2023-12-02 17:44:56,989 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 20 remaining)
[2023-12-02 17:44:56,989 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 20 remaining)
[2023-12-02 17:44:56,990 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 20 remaining)
[2023-12-02 17:44:56,990 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-12-02 17:44:56,992 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-12-02 17:44:56,996 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-12-02 17:44:56,996 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-12-02 17:44:56,998 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:44:56 BasicIcfg
[2023-12-02 17:44:56,998 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-12-02 17:44:56,998 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-12-02 17:44:56,999 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-12-02 17:44:56,999 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-12-02 17:44:56,999 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:44:43" (3/4) ...
[2023-12-02 17:44:57,001 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-12-02 17:44:57,003 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2023-12-02 17:44:57,003 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2023-12-02 17:44:57,003 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2023-12-02 17:44:57,003 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure P3
[2023-12-02 17:44:57,008 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 87 nodes and edges
[2023-12-02 17:44:57,009 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges
[2023-12-02 17:44:57,009 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-12-02 17:44:57,009 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2023-12-02 17:44:57,086 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/witness.graphml
[2023-12-02 17:44:57,086 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/witness.yml
[2023-12-02 17:44:57,087 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-12-02 17:44:57,087 INFO  L158              Benchmark]: Toolchain (without parser) took 15083.45ms. Allocated memory was 142.6MB in the beginning and 8.4GB in the end (delta: 8.2GB). Free memory was 102.0MB in the beginning and 7.0GB in the end (delta: -6.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB.
[2023-12-02 17:44:57,088 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-12-02 17:44:57,088 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 464.93ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 77.5MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
[2023-12-02 17:44:57,089 INFO  L158              Benchmark]: Boogie Procedure Inliner took 50.73ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 75.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-12-02 17:44:57,089 INFO  L158              Benchmark]: Boogie Preprocessor took 35.98ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 73.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-12-02 17:44:57,089 INFO  L158              Benchmark]: RCFGBuilder took 816.75ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 72.7MB in the beginning and 104.4MB in the end (delta: -31.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB.
[2023-12-02 17:44:57,090 INFO  L158              Benchmark]: TraceAbstraction took 13620.35ms. Allocated memory was 172.0MB in the beginning and 8.4GB in the end (delta: 8.2GB). Free memory was 104.4MB in the beginning and 7.0GB in the end (delta: -6.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB.
[2023-12-02 17:44:57,090 INFO  L158              Benchmark]: Witness Printer took 88.26ms. Allocated memory is still 8.4GB. Free memory was 7.0GB in the beginning and 7.0GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-12-02 17:44:57,092 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 142.6MB. Free memory is still 111.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 464.93ms. Allocated memory is still 142.6MB. Free memory was 102.0MB in the beginning and 77.5MB in the end (delta: 24.5MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 50.73ms. Allocated memory is still 142.6MB. Free memory was 77.5MB in the beginning and 75.2MB in the end (delta: 2.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 35.98ms. Allocated memory is still 142.6MB. Free memory was 74.8MB in the beginning and 73.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 816.75ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 72.7MB in the beginning and 104.4MB in the end (delta: -31.7MB). Peak memory consumption was 32.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 13620.35ms. Allocated memory was 172.0MB in the beginning and 8.4GB in the end (delta: 8.2GB). Free memory was 104.4MB in the beginning and 7.0GB in the end (delta: -6.9GB). Peak memory consumption was 1.3GB. Max. memory is 16.1GB.
 * Witness Printer took 88.26ms. Allocated memory is still 8.4GB. Free memory was 7.0GB in the beginning and 7.0GB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 775]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 775]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 798]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 798]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 818]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 818]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 854]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - PositiveResult [Line: 854]: integer overflow can never occur
    For all program executions holds that integer overflow can never occur at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 9 procedures, 95 locations, 20 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 4.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 420 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 420 mSDsluCounter, 221 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 143 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 467 IncrementalHoareTripleChecker+Invalid, 522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 78 mSDtfsCounter, 467 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58408occurred in iteration=0, InterpolantAutomatonStates: 22, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 5.7s AutomataMinimizationTime, 5 MinimizatonAttempts, 728 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 252 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    8 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2023-12-02 17:44:57,109 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_eab17046-8db4-430f-b50f-3fc36bd80185/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE