/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=HIGHLEXORDER --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i


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


This is Ultimate 0.1.25-c90d42b
[2020-09-24 23:26:40,488 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2020-09-24 23:26:40,493 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-24 23:26:40,535 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-24 23:26:40,536 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-24 23:26:40,547 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-24 23:26:40,549 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-24 23:26:40,551 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-24 23:26:40,553 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-24 23:26:40,554 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-24 23:26:40,555 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2020-09-24 23:26:40,556 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-24 23:26:40,557 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-24 23:26:40,558 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-24 23:26:40,559 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-24 23:26:40,561 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-24 23:26:40,562 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-24 23:26:40,563 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-24 23:26:40,564 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-24 23:26:40,566 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-24 23:26:40,568 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-24 23:26:40,570 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-24 23:26:40,574 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2020-09-24 23:26:40,575 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-24 23:26:40,578 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-24 23:26:40,578 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-24 23:26:40,578 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-24 23:26:40,579 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-24 23:26:40,580 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-24 23:26:40,581 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-24 23:26:40,581 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-24 23:26:40,582 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-24 23:26:40,583 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-24 23:26:40,584 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-24 23:26:40,586 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-24 23:26:40,586 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-24 23:26:40,587 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-24 23:26:40,587 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-24 23:26:40,587 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-24 23:26:40,589 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-24 23:26:40,589 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2020-09-24 23:26:40,590 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf
[2020-09-24 23:26:40,617 INFO  L113        SettingsManager]: Loading preferences was successful
[2020-09-24 23:26:40,618 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-24 23:26:40,619 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-24 23:26:40,620 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2020-09-24 23:26:40,620 INFO  L138        SettingsManager]:  * Use SBE=true
[2020-09-24 23:26:40,620 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-24 23:26:40,620 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2020-09-24 23:26:40,621 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2020-09-24 23:26:40,621 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2020-09-24 23:26:40,621 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-24 23:26:40,621 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2020-09-24 23:26:40,621 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2020-09-24 23:26:40,622 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2020-09-24 23:26:40,622 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2020-09-24 23:26:40,622 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-24 23:26:40,622 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2020-09-24 23:26:40,622 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2020-09-24 23:26:40,623 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2020-09-24 23:26:40,623 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 23:26:40,623 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-24 23:26:40,623 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2020-09-24 23:26:40,624 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-24 23:26:40,624 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2020-09-24 23:26:40,624 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-24 23:26:40,624 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-24 23:26:40,624 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2020-09-24 23:26:40,625 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2020-09-24 23:26:40,625 INFO  L138        SettingsManager]:  * To the following directory=dump/
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=HIGHLEXORDER;log-additional-information=true;
[2020-09-24 23:26:41,151 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-24 23:26:41,169 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-24 23:26:41,173 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-24 23:26:41,175 INFO  L271        PluginConnector]: Initializing CDTParser...
[2020-09-24 23:26:41,176 INFO  L275        PluginConnector]: CDTParser initialized
[2020-09-24 23:26:41,177 INFO  L429   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i
[2020-09-24 23:26:41,279 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15117f14b/506e8ad0a729481e8e871a0c25cea395/FLAG782a2b4f6
[2020-09-24 23:26:42,059 INFO  L306              CDTParser]: Found 1 translation units.
[2020-09-24 23:26:42,060 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i
[2020-09-24 23:26:42,111 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15117f14b/506e8ad0a729481e8e871a0c25cea395/FLAG782a2b4f6
[2020-09-24 23:26:42,611 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/15117f14b/506e8ad0a729481e8e871a0c25cea395
[2020-09-24 23:26:42,625 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-24 23:26:42,633 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-24 23:26:42,634 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-24 23:26:42,635 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-24 23:26:42,639 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-24 23:26:42,640 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:42" (1/1) ...
[2020-09-24 23:26:42,645 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@752aa8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:42, skipping insertion in model container
[2020-09-24 23:26:42,646 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 11:26:42" (1/1) ...
[2020-09-24 23:26:42,656 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2020-09-24 23:26:42,785 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2020-09-24 23:26:44,240 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 23:26:44,270 INFO  L203         MainTranslator]: Completed pre-run
[2020-09-24 23:26:44,574 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2020-09-24 23:26:44,641 INFO  L208         MainTranslator]: Completed translation
[2020-09-24 23:26:44,641 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44 WrapperNode
[2020-09-24 23:26:44,641 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-24 23:26:44,642 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-24 23:26:44,643 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-24 23:26:44,643 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2020-09-24 23:26:44,659 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ...
[2020-09-24 23:26:44,660 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ...
[2020-09-24 23:26:44,705 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ...
[2020-09-24 23:26:44,706 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ...
[2020-09-24 23:26:44,817 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ...
[2020-09-24 23:26:44,848 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ...
[2020-09-24 23:26:44,876 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ...
[2020-09-24 23:26:44,912 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-24 23:26:44,912 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-24 23:26:44,913 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2020-09-24 23:26:44,913 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2020-09-24 23:26:44,916 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (1/1) ...
No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-24 23:26:45,024 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-24 23:26:45,025 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-24 23:26:45,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure readb
[2020-09-24 23:26:45,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure writeb
[2020-09-24 23:26:45,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure ioremap
[2020-09-24 23:26:45,026 INFO  L138     BoogieDeclarations]: Found implementation of procedure memcpy_fromio
[2020-09-24 23:26:45,027 INFO  L138     BoogieDeclarations]: Found implementation of procedure memcpy_toio
[2020-09-24 23:26:45,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure outb
[2020-09-24 23:26:45,028 INFO  L138     BoogieDeclarations]: Found implementation of procedure inb
[2020-09-24 23:26:45,029 INFO  L138     BoogieDeclarations]: Found implementation of procedure __kmalloc
[2020-09-24 23:26:45,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure kmalloc
[2020-09-24 23:26:45,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure kzalloc
[2020-09-24 23:26:45,030 INFO  L138     BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2020-09-24 23:26:45,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_malloc
[2020-09-24 23:26:45,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_zalloc
[2020-09-24 23:26:45,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc
[2020-09-24 23:26:45,031 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_memset
[2020-09-24 23:26:45,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_int
[2020-09-24 23:26:45,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong
[2020-09-24 23:26:45,034 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_stop
[2020-09-24 23:26:45,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_irq
[2020-09-24 23:26:45,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure netdev_priv
[2020-09-24 23:26:45,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_probe
[2020-09-24 23:26:45,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure check_mirror
[2020-09-24 23:26:45,035 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_found
[2020-09-24 23:26:45,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_command
[2020-09-24 23:26:45,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_status
[2020-09-24 23:26:45,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_setmask
[2020-09-24 23:26:45,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_reset
[2020-09-24 23:26:45,036 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_copy_to_card
[2020-09-24 23:26:45,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_copy_from_card
[2020-09-24 23:26:45,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_init
[2020-09-24 23:26:45,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure com90xx_exit
[2020-09-24 23:26:45,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_irq_1
[2020-09-24 23:26:45,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure activate_suitable_irq_1
[2020-09-24 23:26:45,037 INFO  L138     BoogieDeclarations]: Found implementation of procedure reg_check_1
[2020-09-24 23:26:45,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure choose_interrupt_1
[2020-09-24 23:26:45,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1
[2020-09-24 23:26:45,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2020-09-24 23:26:45,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_request_irq_5
[2020-09-24 23:26:45,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_free_irq_6
[2020-09-24 23:26:45,038 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_free_irq_7
[2020-09-24 23:26:45,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_error
[2020-09-24 23:26:45,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err
[2020-09-24 23:26:45,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_err_ptr
[2020-09-24 23:26:45,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_ptr_err
[2020-09-24 23:26:45,039 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_is_err_or_null
[2020-09-24 23:26:45,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_get
[2020-09-24 23:26:45,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_try_module_get
[2020-09-24 23:26:45,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_put
[2020-09-24 23:26:45,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_put_and_exit
[2020-09-24 23:26:45,040 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_module_refcount
[2020-09-24 23:26:45,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_check_final_state
[2020-09-24 23:26:45,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure __const_udelay
[2020-09-24 23:26:45,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure __release_region
[2020-09-24 23:26:45,041 INFO  L138     BoogieDeclarations]: Found implementation of procedure __request_region
[2020-09-24 23:26:45,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure alloc_arcdev
[2020-09-24 23:26:45,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure arcnet_interrupt
[2020-09-24 23:26:45,042 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_irq
[2020-09-24 23:26:45,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure free_netdev
[2020-09-24 23:26:45,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure ioremap_nocache
[2020-09-24 23:26:45,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure iounmap
[2020-09-24 23:26:45,043 INFO  L138     BoogieDeclarations]: Found implementation of procedure ldv_initialize
[2020-09-24 23:26:45,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure printk
[2020-09-24 23:26:45,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure probe_irq_off
[2020-09-24 23:26:45,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure probe_irq_on
[2020-09-24 23:26:45,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure register_netdev
[2020-09-24 23:26:45,044 INFO  L138     BoogieDeclarations]: Found implementation of procedure request_threaded_irq
[2020-09-24 23:26:45,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure unregister_netdev
[2020-09-24 23:26:45,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure kfree
[2020-09-24 23:26:45,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset
[2020-09-24 23:26:45,045 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit
[2020-09-24 23:26:45,046 INFO  L138     BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy
[2020-09-24 23:26:45,047 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-24 23:26:45,048 INFO  L130     BoogieDeclarations]: Found specification of procedure printk
[2020-09-24 23:26:45,048 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy
[2020-09-24 23:26:45,048 INFO  L130     BoogieDeclarations]: Found specification of procedure memset
[2020-09-24 23:26:45,048 INFO  L130     BoogieDeclarations]: Found specification of procedure __request_region
[2020-09-24 23:26:45,049 INFO  L130     BoogieDeclarations]: Found specification of procedure __release_region
[2020-09-24 23:26:45,049 INFO  L130     BoogieDeclarations]: Found specification of procedure readb
[2020-09-24 23:26:45,049 INFO  L130     BoogieDeclarations]: Found specification of procedure writeb
[2020-09-24 23:26:45,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ioremap_nocache
[2020-09-24 23:26:45,049 INFO  L130     BoogieDeclarations]: Found specification of procedure ioremap
[2020-09-24 23:26:45,050 INFO  L130     BoogieDeclarations]: Found specification of procedure iounmap
[2020-09-24 23:26:45,051 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy_fromio
[2020-09-24 23:26:45,051 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy
[2020-09-24 23:26:45,051 INFO  L130     BoogieDeclarations]: Found specification of procedure memcpy_toio
[2020-09-24 23:26:45,051 INFO  L130     BoogieDeclarations]: Found specification of procedure outb
[2020-09-24 23:26:45,051 INFO  L130     BoogieDeclarations]: Found specification of procedure inb
[2020-09-24 23:26:45,052 INFO  L130     BoogieDeclarations]: Found specification of procedure kfree
[2020-09-24 23:26:45,052 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_malloc
[2020-09-24 23:26:45,052 INFO  L130     BoogieDeclarations]: Found specification of procedure __kmalloc
[2020-09-24 23:26:45,052 INFO  L130     BoogieDeclarations]: Found specification of procedure kmalloc
[2020-09-24 23:26:45,053 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_zalloc
[2020-09-24 23:26:45,053 INFO  L130     BoogieDeclarations]: Found specification of procedure kzalloc
[2020-09-24 23:26:45,053 INFO  L130     BoogieDeclarations]: Found specification of procedure malloc
[2020-09-24 23:26:45,054 INFO  L130     BoogieDeclarations]: Found specification of procedure calloc
[2020-09-24 23:26:45,054 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2020-09-24 23:26:45,054 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong
[2020-09-24 23:26:45,054 INFO  L130     BoogieDeclarations]: Found specification of procedure abort
[2020-09-24 23:26:45,054 INFO  L130     BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2020-09-24 23:26:45,054 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2020-09-24 23:26:45,055 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.meminit
[2020-09-24 23:26:45,055 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_init_zalloc
[2020-09-24 23:26:45,055 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_memset
[2020-09-24 23:26:45,055 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset
[2020-09-24 23:26:45,055 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_int
[2020-09-24 23:26:45,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_undef_ulong
[2020-09-24 23:26:45,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_stop
[2020-09-24 23:26:45,056 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_irq_1
[2020-09-24 23:26:45,056 INFO  L130     BoogieDeclarations]: Found specification of procedure activate_suitable_irq_1
[2020-09-24 23:26:45,056 INFO  L130     BoogieDeclarations]: Found specification of procedure reg_check_1
[2020-09-24 23:26:45,056 INFO  L130     BoogieDeclarations]: Found specification of procedure choose_interrupt_1
[2020-09-24 23:26:45,057 INFO  L130     BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1
[2020-09-24 23:26:45,057 INFO  L130     BoogieDeclarations]: Found specification of procedure request_threaded_irq
[2020-09-24 23:26:45,057 INFO  L130     BoogieDeclarations]: Found specification of procedure request_irq
[2020-09-24 23:26:45,057 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_request_irq_5
[2020-09-24 23:26:45,058 INFO  L130     BoogieDeclarations]: Found specification of procedure free_irq
[2020-09-24 23:26:45,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_free_irq_6
[2020-09-24 23:26:45,058 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_free_irq_7
[2020-09-24 23:26:45,058 INFO  L130     BoogieDeclarations]: Found specification of procedure probe_irq_on
[2020-09-24 23:26:45,059 INFO  L130     BoogieDeclarations]: Found specification of procedure probe_irq_off
[2020-09-24 23:26:45,059 INFO  L130     BoogieDeclarations]: Found specification of procedure __const_udelay
[2020-09-24 23:26:45,062 INFO  L130     BoogieDeclarations]: Found specification of procedure netdev_priv
[2020-09-24 23:26:45,063 INFO  L130     BoogieDeclarations]: Found specification of procedure free_netdev
[2020-09-24 23:26:45,063 INFO  L130     BoogieDeclarations]: Found specification of procedure register_netdev
[2020-09-24 23:26:45,064 INFO  L130     BoogieDeclarations]: Found specification of procedure unregister_netdev
[2020-09-24 23:26:45,064 INFO  L130     BoogieDeclarations]: Found specification of procedure arcnet_interrupt
[2020-09-24 23:26:45,064 INFO  L130     BoogieDeclarations]: Found specification of procedure alloc_arcdev
[2020-09-24 23:26:45,065 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_found
[2020-09-24 23:26:45,068 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_command
[2020-09-24 23:26:45,068 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_status
[2020-09-24 23:26:45,069 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_setmask
[2020-09-24 23:26:45,069 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_reset
[2020-09-24 23:26:45,069 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_copy_to_card
[2020-09-24 23:26:45,070 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_copy_from_card
[2020-09-24 23:26:45,070 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_probe
[2020-09-24 23:26:45,071 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-24 23:26:45,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2020-09-24 23:26:45,071 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2020-09-24 23:26:45,071 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-24 23:26:45,071 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2020-09-24 23:26:45,072 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2020-09-24 23:26:45,072 INFO  L130     BoogieDeclarations]: Found specification of procedure check_mirror
[2020-09-24 23:26:45,073 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_init
[2020-09-24 23:26:45,079 INFO  L130     BoogieDeclarations]: Found specification of procedure com90xx_exit
[2020-09-24 23:26:45,079 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_initialize
[2020-09-24 23:26:45,079 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_check_final_state
[2020-09-24 23:26:45,079 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2020-09-24 23:26:45,079 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_error
[2020-09-24 23:26:45,080 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err
[2020-09-24 23:26:45,080 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_err_ptr
[2020-09-24 23:26:45,080 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_ptr_err
[2020-09-24 23:26:45,080 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_is_err_or_null
[2020-09-24 23:26:45,080 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_get
[2020-09-24 23:26:45,080 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_try_module_get
[2020-09-24 23:26:45,081 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_put
[2020-09-24 23:26:45,082 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_put_and_exit
[2020-09-24 23:26:45,082 INFO  L130     BoogieDeclarations]: Found specification of procedure ldv_module_refcount
[2020-09-24 23:26:45,082 INFO  L130     BoogieDeclarations]: Found specification of procedure free
[2020-09-24 23:26:45,082 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-24 23:26:45,082 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-24 23:26:45,082 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-24 23:26:45,083 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$
[2020-09-24 23:26:45,083 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$
[2020-09-24 23:26:45,083 INFO  L130     BoogieDeclarations]: Found specification of procedure write~unchecked~int
[2020-09-24 23:26:45,083 INFO  L130     BoogieDeclarations]: Found specification of procedure read~unchecked~int
[2020-09-24 23:26:45,971 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true;
[2020-09-24 23:26:45,977 INFO  L732   $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_module_put_and_exitFINAL: assume true;
[2020-09-24 23:26:47,521 INFO  L290             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-24 23:26:47,522 INFO  L295             CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-24 23:26:47,534 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:47 BoogieIcfgContainer
[2020-09-24 23:26:47,534 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-24 23:26:47,535 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-24 23:26:47,535 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2020-09-24 23:26:47,539 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2020-09-24 23:26:47,540 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 11:26:42" (1/3) ...
[2020-09-24 23:26:47,540 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526695cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:47, skipping insertion in model container
[2020-09-24 23:26:47,541 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 11:26:44" (2/3) ...
[2020-09-24 23:26:47,541 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@526695cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 11:26:47, skipping insertion in model container
[2020-09-24 23:26:47,541 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 11:26:47" (3/3) ...
[2020-09-24 23:26:47,543 INFO  L109   eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--net--arcnet--com90xx.ko-entry_point.cil.out.i
[2020-09-24 23:26:47,555 INFO  L157   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-24 23:26:47,567 INFO  L169   ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-24 23:26:47,590 INFO  L251      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-24 23:26:47,626 INFO  L375      AbstractCegarLoop]: Interprodecural is true
[2020-09-24 23:26:47,627 INFO  L376      AbstractCegarLoop]: Hoare is true
[2020-09-24 23:26:47,627 INFO  L377      AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-24 23:26:47,627 INFO  L378      AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-24 23:26:47,627 INFO  L379      AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-24 23:26:47,627 INFO  L380      AbstractCegarLoop]: Difference is false
[2020-09-24 23:26:47,627 INFO  L381      AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-24 23:26:47,627 INFO  L385      AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-24 23:26:47,679 INFO  L276                IsEmpty]: Start isEmpty. Operand 1450 states.
[2020-09-24 23:26:47,722 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 299
[2020-09-24 23:26:47,722 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 23:26:47,724 INFO  L422         BasicCegarLoop]: 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, 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, 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, 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, 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, 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, 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, 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, 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, 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]
[2020-09-24 23:26:47,724 INFO  L427      AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 23:26:47,732 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 23:26:47,732 INFO  L82        PathProgramCache]: Analyzing trace with hash 462327911, now seen corresponding path program 1 times
[2020-09-24 23:26:47,742 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 23:26:47,742 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [258350739]
[2020-09-24 23:26:47,742 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 23:26:48,581 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 23:26:49,038 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:26:50,260 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:26:51,824 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 23:26:51,825 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 313
[2020-09-24 23:26:51,825 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 23:26:51,825 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 3217
[2020-09-24 23:26:51,829 FATAL L256   erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 23:26:51,830 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 23:26:51,830 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 278
[2020-09-24 23:26:51,830 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 15
[2020-09-24 23:26:51,830 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-24 23:26:53,774 WARN  L193               SmtUtils]: Spent 1.50 s on a formula simplification that was a NOOP. DAG size: 514
[2020-09-24 23:26:53,782 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 23:26:53,817 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 23:26:53,878 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:26:54,509 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 23:26:54,510 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 266
[2020-09-24 23:26:54,510 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 23:26:54,510 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 689
[2020-09-24 23:26:54,511 FATAL L256   erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 23:26:54,511 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 23:26:54,511 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 23:26:54,511 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 23:26:54,512 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 23:26:54,793 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264
[2020-09-24 23:26:54,797 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 23:26:54,806 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:26:54,826 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 23:26:54,826 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 23:26:54,826 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 23:26:54,827 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 28
[2020-09-24 23:26:54,827 FATAL L256   erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 23:26:54,827 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 23:26:54,827 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 23:26:54,828 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 23:26:54,828 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 23:26:54,865 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284
[2020-09-24 23:26:54,867 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 23:26:54,884 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:26:54,916 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 23:26:54,917 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 14
[2020-09-24 23:26:54,917 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 23:26:54,917 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 48
[2020-09-24 23:26:54,917 FATAL L256   erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 23:26:54,917 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 23:26:54,918 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 11
[2020-09-24 23:26:54,918 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 23:26:54,918 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 23:26:55,110 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 23:26:55,111 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [258350739]
[2020-09-24 23:26:55,114 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 23:26:55,115 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2020-09-24 23:26:55,118 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406801345]
[2020-09-24 23:26:55,135 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 5 states
[2020-09-24 23:26:55,135 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 23:26:55,161 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2020-09-24 23:26:55,162 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2020-09-24 23:26:55,165 INFO  L87              Difference]: Start difference. First operand 1450 states. Second operand 5 states.
[2020-09-24 23:26:58,845 WARN  L193               SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 516
[2020-09-24 23:27:12,806 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-24 23:27:12,807 INFO  L93              Difference]: Finished difference Result 3046 states and 3696 transitions.
[2020-09-24 23:27:12,809 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2020-09-24 23:27:12,811 INFO  L78                 Accepts]: Start accepts. Automaton has 5 states. Word has length 298
[2020-09-24 23:27:12,815 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-24 23:27:12,861 INFO  L225             Difference]: With dead ends: 3046
[2020-09-24 23:27:12,861 INFO  L226             Difference]: Without dead ends: 1945
[2020-09-24 23:27:12,874 INFO  L675         BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42
[2020-09-24 23:27:12,901 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 1945 states.
[2020-09-24 23:27:13,185 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 1945 to 1458.
[2020-09-24 23:27:13,187 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 1458 states.
[2020-09-24 23:27:13,196 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 1458 states to 1458 states and 1682 transitions.
[2020-09-24 23:27:13,198 INFO  L78                 Accepts]: Start accepts. Automaton has 1458 states and 1682 transitions. Word has length 298
[2020-09-24 23:27:13,200 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2020-09-24 23:27:13,200 INFO  L479      AbstractCegarLoop]: Abstraction has 1458 states and 1682 transitions.
[2020-09-24 23:27:13,200 INFO  L480      AbstractCegarLoop]: Interpolant automaton has 5 states.
[2020-09-24 23:27:13,200 INFO  L276                IsEmpty]: Start isEmpty. Operand 1458 states and 1682 transitions.
[2020-09-24 23:27:13,209 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 366
[2020-09-24 23:27:13,209 INFO  L414         BasicCegarLoop]: Found error trace
[2020-09-24 23:27:13,210 INFO  L422         BasicCegarLoop]: 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 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, 1, 1, 1, 1, 1]
[2020-09-24 23:27:13,210 WARN  L516      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-24 23:27:13,210 INFO  L427      AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-24 23:27:13,211 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2020-09-24 23:27:13,211 INFO  L82        PathProgramCache]: Analyzing trace with hash -95169640, now seen corresponding path program 1 times
[2020-09-24 23:27:13,211 INFO  L163   FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-24 23:27:13,212 INFO  L354   FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [300903653]
[2020-09-24 23:27:13,212 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-24 23:27:13,387 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 23:27:13,623 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:14,432 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:15,089 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:15,655 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:16,510 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:18,616 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 23:27:18,616 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 382
[2020-09-24 23:27:18,616 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-24 23:27:18,617 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 5194
[2020-09-24 23:27:18,617 FATAL L256   erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 23:27:18,617 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 23:27:18,617 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 356
[2020-09-24 23:27:18,618 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-24 23:27:18,618 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 23:27:20,276 WARN  L193               SmtUtils]: Spent 1.47 s on a formula simplification that was a NOOP. DAG size: 514
[2020-09-24 23:27:20,277 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-24 23:27:20,299 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 23:27:20,341 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:20,764 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 23:27:20,765 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 266
[2020-09-24 23:27:20,765 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 23:27:20,765 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 463
[2020-09-24 23:27:20,765 FATAL L256   erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 23:27:20,766 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 23:27:20,766 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 23:27:20,766 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 23:27:20,766 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 23:27:21,010 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264
[2020-09-24 23:27:21,011 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 23:27:21,021 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:21,033 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 23:27:21,034 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 8
[2020-09-24 23:27:21,034 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-24 23:27:21,034 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 21
[2020-09-24 23:27:21,035 FATAL L256   erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 23:27:21,035 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-24 23:27:21,035 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-24 23:27:21,036 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-24 23:27:21,036 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-24 23:27:21,131 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286
[2020-09-24 23:27:21,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 23:27:21,177 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:21,221 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:21,456 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 23:27:21,456 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 76
[2020-09-24 23:27:21,456 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 23:27:21,457 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 306
[2020-09-24 23:27:21,457 FATAL L256   erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 23:27:21,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 23:27:21,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 61
[2020-09-24 23:27:21,457 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-24 23:27:21,458 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 23:27:21,545 INFO  L375   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1
[2020-09-24 23:27:21,562 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-24 23:27:21,584 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:21,616 FATAL L256   erpolLogProxyWrapper]: Now shrinking...
[2020-09-24 23:27:21,843 FATAL L256   erpolLogProxyWrapper]: Timeout: 5000
[2020-09-24 23:27:21,843 FATAL L256   erpolLogProxyWrapper]: Cardinality of Constraint set: 68
[2020-09-24 23:27:21,844 FATAL L256   erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-24 23:27:21,844 FATAL L256   erpolLogProxyWrapper]: Time needed for enumeration: 280
[2020-09-24 23:27:21,844 FATAL L256   erpolLogProxyWrapper]: Heuristic: HIGHLEXORDER
[2020-09-24 23:27:21,844 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-24 23:27:21,845 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has depth: 57
[2020-09-24 23:27:21,845 FATAL L256   erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-24 23:27:21,845 FATAL L256   erpolLogProxyWrapper]: Time needed for Heuristics: 0
[2020-09-24 23:27:22,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-24 23:27:22,159 INFO  L354   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [300903653]
[2020-09-24 23:27:22,159 INFO  L220   FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-24 23:27:22,159 INFO  L233   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-09-24 23:27:22,160 INFO  L156   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187477271]
[2020-09-24 23:27:22,163 INFO  L459      AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-09-24 23:27:22,164 INFO  L143   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-24 23:27:22,164 INFO  L142   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-09-24 23:27:22,165 INFO  L144   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-09-24 23:27:22,165 INFO  L87              Difference]: Start difference. First operand 1458 states and 1682 transitions. Second operand 6 states.
[2020-09-24 23:27:23,496 WARN  L193               SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 517