/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c


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


This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd
[2022-02-16 08:53:37,441 INFO  L177        SettingsManager]: Resetting all preferences to default values...
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[2022-02-16 08:53:37,538 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2022-02-16 08:53:37,539 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2022-02-16 08:53:37,540 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf
[2022-02-16 08:53:37,571 INFO  L113        SettingsManager]: Loading preferences was successful
[2022-02-16 08:53:37,571 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2022-02-16 08:53:37,572 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-02-16 08:53:37,572 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-02-16 08:53:37,573 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2022-02-16 08:53:37,573 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2022-02-16 08:53:37,573 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-02-16 08:53:37,573 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2022-02-16 08:53:37,574 INFO  L138        SettingsManager]:  * Use SBE=true
[2022-02-16 08:53:37,574 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-02-16 08:53:37,574 INFO  L138        SettingsManager]:  * sizeof long=4
[2022-02-16 08:53:37,575 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2022-02-16 08:53:37,575 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2022-02-16 08:53:37,575 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2022-02-16 08:53:37,575 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2022-02-16 08:53:37,575 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2022-02-16 08:53:37,575 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2022-02-16 08:53:37,575 INFO  L138        SettingsManager]:  * sizeof long double=12
[2022-02-16 08:53:37,575 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2022-02-16 08:53:37,575 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2022-02-16 08:53:37,576 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2022-02-16 08:53:37,576 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-02-16 08:53:37,576 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2022-02-16 08:53:37,576 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2022-02-16 08:53:37,576 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2022-02-16 08:53:37,576 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-16 08:53:37,576 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-02-16 08:53:37,576 INFO  L138        SettingsManager]:  * Construct finite automaton lazily=true
[2022-02-16 08:53:37,577 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2022-02-16 08:53:37,577 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2022-02-16 08:53:37,577 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2022-02-16 08:53:37,577 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2022-02-16 08:53:37,577 INFO  L138        SettingsManager]:  * Large block encoding in concurrent analysis=OFF
[2022-02-16 08:53:37,577 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2022-02-16 08:53:37,577 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2022-02-16 08:53:37,577 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS
[2022-02-16 08:53:37,578 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2022-02-16 08:53:37,783 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2022-02-16 08:53:37,804 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-02-16 08:53:37,807 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-02-16 08:53:37,808 INFO  L271        PluginConnector]: Initializing CDTParser...
[2022-02-16 08:53:37,808 INFO  L275        PluginConnector]: CDTParser initialized
[2022-02-16 08:53:37,809 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c
[2022-02-16 08:53:37,866 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7152a661/b08dfa1df15342a0bca9ef232d9c40ee/FLAGeec92cff2
[2022-02-16 08:53:38,242 INFO  L306              CDTParser]: Found 1 translation units.
[2022-02-16 08:53:38,243 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c
[2022-02-16 08:53:38,252 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7152a661/b08dfa1df15342a0bca9ef232d9c40ee/FLAGeec92cff2
[2022-02-16 08:53:38,267 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b7152a661/b08dfa1df15342a0bca9ef232d9c40ee
[2022-02-16 08:53:38,269 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-02-16 08:53:38,271 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2022-02-16 08:53:38,275 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-02-16 08:53:38,275 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-02-16 08:53:38,278 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2022-02-16 08:53:38,278 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,279 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b4ae8fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38, skipping insertion in model container
[2022-02-16 08:53:38,280 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,285 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2022-02-16 08:53:38,303 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2022-02-16 08:53:38,570 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040]
[2022-02-16 08:53:38,577 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-16 08:53:38,582 INFO  L203         MainTranslator]: Completed pre-run
[2022-02-16 08:53:38,617 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-5.wvr.c[3027,3040]
[2022-02-16 08:53:38,618 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2022-02-16 08:53:38,629 INFO  L208         MainTranslator]: Completed translation
[2022-02-16 08:53:38,630 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38 WrapperNode
[2022-02-16 08:53:38,630 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-02-16 08:53:38,631 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-02-16 08:53:38,631 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-02-16 08:53:38,631 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2022-02-16 08:53:38,637 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,645 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,665 INFO  L137                Inliner]: procedures = 22, calls = 45, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 143
[2022-02-16 08:53:38,666 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-02-16 08:53:38,666 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-02-16 08:53:38,667 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2022-02-16 08:53:38,667 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2022-02-16 08:53:38,674 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,674 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,684 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,685 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,689 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,691 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,692 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,708 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-02-16 08:53:38,709 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-02-16 08:53:38,709 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2022-02-16 08:53:38,709 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2022-02-16 08:53:38,711 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (1/1) ...
[2022-02-16 08:53:38,717 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2022-02-16 08:53:38,732 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-16 08:53:38,744 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2022-02-16 08:53:38,770 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2022-02-16 08:53:38,791 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-02-16 08:53:38,791 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2022-02-16 08:53:38,791 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2022-02-16 08:53:38,792 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2022-02-16 08:53:38,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2022-02-16 08:53:38,792 INFO  L130     BoogieDeclarations]: Found specification of procedure thread3
[2022-02-16 08:53:38,792 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread3
[2022-02-16 08:53:38,792 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2022-02-16 08:53:38,792 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2022-02-16 08:53:38,792 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2022-02-16 08:53:38,792 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2022-02-16 08:53:38,792 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2022-02-16 08:53:38,792 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-02-16 08:53:38,793 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-02-16 08:53:38,793 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2022-02-16 08:53:38,793 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2022-02-16 08:53:38,794 WARN  L208             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2022-02-16 08:53:38,887 INFO  L234             CfgBuilder]: Building ICFG
[2022-02-16 08:53:38,889 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2022-02-16 08:53:39,121 INFO  L275             CfgBuilder]: Performing block encoding
[2022-02-16 08:53:39,182 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-02-16 08:53:39,183 INFO  L299             CfgBuilder]: Removed 2 assume(true) statements.
[2022-02-16 08:53:39,185 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 08:53:39 BoogieIcfgContainer
[2022-02-16 08:53:39,185 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-02-16 08:53:39,186 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2022-02-16 08:53:39,187 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2022-02-16 08:53:39,189 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2022-02-16 08:53:39,189 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 08:53:38" (1/3) ...
[2022-02-16 08:53:39,190 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9263c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 08:53:39, skipping insertion in model container
[2022-02-16 08:53:39,190 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 08:53:38" (2/3) ...
[2022-02-16 08:53:39,190 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b9263c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 08:53:39, skipping insertion in model container
[2022-02-16 08:53:39,190 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 08:53:39" (3/3) ...
[2022-02-16 08:53:39,191 INFO  L111   eAbstractionObserver]: Analyzing ICFG parallel-misc-5.wvr.c
[2022-02-16 08:53:39,195 WARN  L150   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2022-02-16 08:53:39,195 INFO  L205   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2022-02-16 08:53:39,195 INFO  L164   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2022-02-16 08:53:39,195 INFO  L534   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2022-02-16 08:53:39,240 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,241 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,241 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,242 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,242 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,242 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,242 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,243 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,243 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,245 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,246 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,246 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,246 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,247 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,248 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,248 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,248 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,248 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,249 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,249 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,250 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,250 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,251 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,251 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,251 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,251 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,252 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,252 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,252 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,252 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,254 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,255 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,255 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,256 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,256 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,256 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,256 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,257 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,257 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,257 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,257 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,258 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,259 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,259 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,259 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,259 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,259 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,259 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,260 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,260 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,260 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,260 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,260 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,260 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,261 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,261 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,261 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,261 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,261 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,262 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,262 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,262 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,262 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,263 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,263 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,267 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post2#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,267 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,268 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,268 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post3#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,268 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,269 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post5#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,269 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,269 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,269 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_~cond~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,269 WARN  L322   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,270 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,271 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_~cond~1#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,271 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,271 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post10#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,272 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,272 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post8#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,273 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,274 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet6#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,275 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post7#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,275 WARN  L322   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9#1| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,276 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,276 WARN  L322   ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2022-02-16 08:53:39,281 INFO  L148    ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2022-02-16 08:53:39,318 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2022-02-16 08:53:39,318 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-16 08:53:39,320 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2022-02-16 08:53:39,352 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2022-02-16 08:53:39,355 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2022-02-16 08:53:39,358 INFO  L339      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, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR
[2022-02-16 08:53:39,358 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2022-02-16 08:53:39,424 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 127 transitions and produced 128 states.
[2022-02-16 08:53:39,427 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-16 08:53:39,431 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-16 08:53:39,431 INFO  L85        PathProgramCache]: Analyzing trace with hash 235255949, now seen corresponding path program 1 times
[2022-02-16 08:53:39,438 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-16 08:53:39,439 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146109296]
[2022-02-16 08:53:39,439 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-16 08:53:39,440 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-16 08:53:39,533 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-16 08:53:39,606 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-16 08:53:39,607 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-16 08:53:39,607 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146109296]
[2022-02-16 08:53:39,607 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146109296] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-16 08:53:39,608 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-16 08:53:39,608 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2022-02-16 08:53:39,610 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141706808]
[2022-02-16 08:53:39,610 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-16 08:53:39,615 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2022-02-16 08:53:39,616 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-16 08:53:39,638 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2022-02-16 08:53:39,639 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2022-02-16 08:53:39,640 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:39,642 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-16 08:53:39,643 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 38.0) internal successors, (76), 2 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-16 08:53:39,643 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:39,694 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 127 transitions and produced 128 states.
[2022-02-16 08:53:39,694 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:39,695 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2022-02-16 08:53:39,695 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-16 08:53:39,698 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-16 08:53:39,698 INFO  L85        PathProgramCache]: Analyzing trace with hash -1504195809, now seen corresponding path program 1 times
[2022-02-16 08:53:39,698 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-16 08:53:39,698 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010488847]
[2022-02-16 08:53:39,699 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-16 08:53:39,699 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-16 08:53:39,850 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-16 08:53:40,088 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-16 08:53:40,088 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-16 08:53:40,088 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010488847]
[2022-02-16 08:53:40,088 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010488847] provided 1 perfect and 0 imperfect interpolant sequences
[2022-02-16 08:53:40,089 INFO  L191   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-02-16 08:53:40,089 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2022-02-16 08:53:40,089 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474224824]
[2022-02-16 08:53:40,089 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-02-16 08:53:40,090 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2022-02-16 08:53:40,090 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-16 08:53:40,091 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-02-16 08:53:40,091 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30
[2022-02-16 08:53:40,091 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:40,091 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-16 08:53:40,092 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 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)
[2022-02-16 08:53:40,092 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:40,092 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:40,273 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 371 transitions and produced 364 states.
[2022-02-16 08:53:40,273 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:40,274 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-02-16 08:53:40,274 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2022-02-16 08:53:40,274 INFO  L402      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-16 08:53:40,275 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-16 08:53:40,275 INFO  L85        PathProgramCache]: Analyzing trace with hash 1120981473, now seen corresponding path program 1 times
[2022-02-16 08:53:40,275 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-16 08:53:40,275 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2070132232]
[2022-02-16 08:53:40,275 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-16 08:53:40,276 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-16 08:53:40,389 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-16 08:53:40,611 INFO  L134       CoverageAnalysis]: Checked inductivity of 286 backedges. 138 proven. 49 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked.
[2022-02-16 08:53:40,612 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-16 08:53:40,612 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2070132232]
[2022-02-16 08:53:40,613 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2070132232] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-16 08:53:40,613 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [352709104]
[2022-02-16 08:53:40,613 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-16 08:53:40,613 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-16 08:53:40,613 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-16 08:53:40,615 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-16 08:53:40,616 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2022-02-16 08:53:40,748 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-16 08:53:40,752 INFO  L263         TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 8 conjunts are in the unsatisfiable core
[2022-02-16 08:53:40,762 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-16 08:53:41,163 INFO  L134       CoverageAnalysis]: Checked inductivity of 286 backedges. 21 proven. 150 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked.
[2022-02-16 08:53:41,163 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-16 08:53:41,484 INFO  L134       CoverageAnalysis]: Checked inductivity of 286 backedges. 26 proven. 145 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked.
[2022-02-16 08:53:41,485 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [352709104] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-16 08:53:41,485 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-16 08:53:41,485 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7
[2022-02-16 08:53:41,487 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439101872]
[2022-02-16 08:53:41,487 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-16 08:53:41,488 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2022-02-16 08:53:41,488 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-16 08:53:41,488 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2022-02-16 08:53:41,489 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42
[2022-02-16 08:53:41,489 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:41,489 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-16 08:53:41,489 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 13.714285714285714) internal successors, (96), 7 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-16 08:53:41,489 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:41,489 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-02-16 08:53:41,489 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:41,672 INFO  L104   alCausalityReduction]: MaximalCausalityReduction evaluated 1309 transitions and produced 1238 states.
[2022-02-16 08:53:41,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:41,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2022-02-16 08:53:41,673 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2022-02-16 08:53:41,697 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2022-02-16 08:53:41,891 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2022-02-16 08:53:41,892 INFO  L402      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] ===
[2022-02-16 08:53:41,892 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2022-02-16 08:53:41,892 INFO  L85        PathProgramCache]: Analyzing trace with hash 406073182, now seen corresponding path program 1 times
[2022-02-16 08:53:41,893 INFO  L126   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-02-16 08:53:41,893 INFO  L338   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1682200052]
[2022-02-16 08:53:41,893 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-16 08:53:41,893 INFO  L126          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-02-16 08:53:42,090 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-16 08:53:43,338 INFO  L134       CoverageAnalysis]: Checked inductivity of 3933 backedges. 3856 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-16 08:53:43,338 INFO  L144   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-02-16 08:53:43,338 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1682200052]
[2022-02-16 08:53:43,340 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1682200052] provided 0 perfect and 1 imperfect interpolant sequences
[2022-02-16 08:53:43,343 INFO  L338   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757926892]
[2022-02-16 08:53:43,343 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-02-16 08:53:43,347 INFO  L168          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2022-02-16 08:53:43,347 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2022-02-16 08:53:43,348 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2022-02-16 08:53:43,360 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2022-02-16 08:53:43,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-02-16 08:53:43,522 INFO  L263         TraceCheckSpWp]: Trace formula consists of 629 conjuncts, 58 conjunts are in the unsatisfiable core
[2022-02-16 08:53:43,539 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2022-02-16 08:53:44,322 INFO  L134       CoverageAnalysis]: Checked inductivity of 3933 backedges. 3704 proven. 229 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-16 08:53:44,322 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2022-02-16 08:53:46,304 INFO  L134       CoverageAnalysis]: Checked inductivity of 3933 backedges. 3856 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-02-16 08:53:46,304 INFO  L165   FreeRefinementEngine]: IpTcStrategyModuleZ3 [757926892] provided 0 perfect and 2 imperfect interpolant sequences
[2022-02-16 08:53:46,304 INFO  L191   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2022-02-16 08:53:46,305 INFO  L204   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 55, 55] total 111
[2022-02-16 08:53:46,305 INFO  L118   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654045617]
[2022-02-16 08:53:46,305 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2022-02-16 08:53:46,307 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 111 states
[2022-02-16 08:53:46,307 INFO  L108   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-02-16 08:53:46,310 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants.
[2022-02-16 08:53:46,315 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5230, Invalid=6980, Unknown=0, NotChecked=0, Total=12210
[2022-02-16 08:53:46,315 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:46,315 INFO  L470      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2022-02-16 08:53:46,316 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 111 states, 111 states have (on average 5.5225225225225225) internal successors, (613), 111 states have internal predecessors, (613), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2022-02-16 08:53:46,316 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2022-02-16 08:53:46,317 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. 
[2022-02-16 08:53:46,317 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2022-02-16 08:53:46,317 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.