/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-c90d42b
[2020-09-25 14:48:53,484 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-09-25 14:48:53,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-09-25 14:48:53,515 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-09-25 14:48:53,515 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-09-25 14:48:53,517 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-09-25 14:48:53,518 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-09-25 14:48:53,520 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-09-25 14:48:53,521 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-09-25 14:48:53,523 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-09-25 14:48:53,524 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-09-25 14:48:53,525 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-09-25 14:48:53,525 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-09-25 14:48:53,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-09-25 14:48:53,528 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-09-25 14:48:53,529 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-09-25 14:48:53,530 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-09-25 14:48:53,531 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-09-25 14:48:53,533 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-09-25 14:48:53,535 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-09-25 14:48:53,537 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-09-25 14:48:53,538 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-09-25 14:48:53,539 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-09-25 14:48:53,540 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-09-25 14:48:53,543 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-09-25 14:48:53,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-09-25 14:48:53,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-09-25 14:48:53,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-09-25 14:48:53,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-09-25 14:48:53,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-09-25 14:48:53,547 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-09-25 14:48:53,548 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-09-25 14:48:53,549 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-09-25 14:48:53,549 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-09-25 14:48:53,551 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-09-25 14:48:53,551 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-09-25 14:48:53,552 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-09-25 14:48:53,552 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-09-25 14:48:53,552 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-09-25 14:48:53,553 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-09-25 14:48:53,554 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-09-25 14:48:53,555 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-09-25 14:48:53,582 INFO L113 SettingsManager]: Loading preferences was successful
[2020-09-25 14:48:53,582 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-09-25 14:48:53,583 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-09-25 14:48:53,584 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-09-25 14:48:53,584 INFO L138 SettingsManager]: * Use SBE=true
[2020-09-25 14:48:53,584 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-09-25 14:48:53,584 INFO L138 SettingsManager]: * sizeof long=4
[2020-09-25 14:48:53,585 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-09-25 14:48:53,585 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-09-25 14:48:53,585 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-09-25 14:48:53,585 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-09-25 14:48:53,585 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-09-25 14:48:53,586 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-09-25 14:48:53,586 INFO L138 SettingsManager]: * sizeof long double=12
[2020-09-25 14:48:53,586 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-09-25 14:48:53,586 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-09-25 14:48:53,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-09-25 14:48:53,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-09-25 14:48:53,587 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-09-25 14:48:53,587 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-09-25 14:48:53,587 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-09-25 14:48:53,587 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-09-25 14:48:53,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-09-25 14:48:53,588 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-09-25 14:48:53,588 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-09-25 14:48:53,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-09-25 14:48:53,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-09-25 14:48:53,589 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-09-25 14:48:53,589 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-09-25 14:48:53,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true;
[2020-09-25 14:48:54,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2020-09-25 14:48:54,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-09-25 14:48:54,126 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-09-25 14:48:54,129 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-09-25 14:48:54,131 INFO L275 PluginConnector]: CDTParser initialized
[2020-09-25 14:48:54,132 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops-crafted-1/net_reset.c
[2020-09-25 14:48:54,227 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/365267b4e/e685f0dda70c4d229ececbbb9ea49b66/FLAG76786df23
[2020-09-25 14:48:54,784 INFO L306 CDTParser]: Found 1 translation units.
[2020-09-25 14:48:54,785 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/loops-crafted-1/net_reset.c
[2020-09-25 14:48:54,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/365267b4e/e685f0dda70c4d229ececbbb9ea49b66/FLAG76786df23
[2020-09-25 14:48:55,087 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/365267b4e/e685f0dda70c4d229ececbbb9ea49b66
[2020-09-25 14:48:55,102 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-09-25 14:48:55,107 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-09-25 14:48:55,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-09-25 14:48:55,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-09-25 14:48:55,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-09-25 14:48:55,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:48:55" (1/1) ...
[2020-09-25 14:48:55,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64fec7e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:55, skipping insertion in model container
[2020-09-25 14:48:55,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 02:48:55" (1/1) ...
[2020-09-25 14:48:55,129 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-09-25 14:48:55,165 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-09-25 14:48:55,441 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:48:56,654 INFO L203 MainTranslator]: Completed pre-run
[2020-09-25 14:48:56,726 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-09-25 14:48:56,751 INFO L208 MainTranslator]: Completed translation
[2020-09-25 14:48:56,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56 WrapperNode
[2020-09-25 14:48:56,751 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-09-25 14:48:56,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-09-25 14:48:56,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-09-25 14:48:56,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-09-25 14:48:56,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56" (1/1) ...
[2020-09-25 14:48:56,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56" (1/1) ...
[2020-09-25 14:48:56,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56" (1/1) ...
[2020-09-25 14:48:56,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56" (1/1) ...
[2020-09-25 14:48:56,798 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56" (1/1) ...
[2020-09-25 14:48:56,803 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56" (1/1) ...
[2020-09-25 14:48:56,810 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56" (1/1) ...
[2020-09-25 14:48:56,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-09-25 14:48:56,818 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-09-25 14:48:56,818 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-09-25 14:48:56,819 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-09-25 14:48:56,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56" (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
[2020-09-25 14:48:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-09-25 14:48:56,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-09-25 14:48:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-09-25 14:48:56,923 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reset
[2020-09-25 14:48:56,924 INFO L138 BoogieDeclarations]: Found implementation of procedure net_send_batch
[2020-09-25 14:48:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure net_reopen
[2020-09-25 14:48:56,925 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-09-25 14:48:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-09-25 14:48:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure net_reset
[2020-09-25 14:48:56,926 INFO L130 BoogieDeclarations]: Found specification of procedure net_reopen
[2020-09-25 14:48:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure net_send_batch
[2020-09-25 14:48:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure addrcmp
[2020-09-25 14:48:56,927 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-09-25 14:48:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2020-09-25 14:48:56,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2020-09-25 14:48:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-09-25 14:48:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2020-09-25 14:48:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-09-25 14:48:56,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2020-09-25 14:48:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-09-25 14:48:56,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2020-09-25 14:48:57,372 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-09-25 14:48:57,372 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-09-25 14:48:57,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:48:57 BoogieIcfgContainer
[2020-09-25 14:48:57,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-09-25 14:48:57,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-09-25 14:48:57,379 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-09-25 14:48:57,389 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-09-25 14:48:57,389 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 02:48:55" (1/3) ...
[2020-09-25 14:48:57,391 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be83414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:48:57, skipping insertion in model container
[2020-09-25 14:48:57,391 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 02:48:56" (2/3) ...
[2020-09-25 14:48:57,392 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be83414 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 02:48:57, skipping insertion in model container
[2020-09-25 14:48:57,392 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 02:48:57" (3/3) ...
[2020-09-25 14:48:57,395 INFO L109 eAbstractionObserver]: Analyzing ICFG net_reset.c
[2020-09-25 14:48:57,408 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION
[2020-09-25 14:48:57,421 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-09-25 14:48:57,444 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-09-25 14:48:57,480 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-09-25 14:48:57,480 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-09-25 14:48:57,480 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation
[2020-09-25 14:48:57,480 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-09-25 14:48:57,480 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-09-25 14:48:57,481 INFO L380 AbstractCegarLoop]: Difference is false
[2020-09-25 14:48:57,481 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-09-25 14:48:57,481 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-09-25 14:48:57,514 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states.
[2020-09-25 14:48:57,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51
[2020-09-25 14:48:57,526 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:48:57,528 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]
[2020-09-25 14:48:57,528 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:48:57,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:48:57,537 INFO L82 PathProgramCache]: Analyzing trace with hash 22025063, now seen corresponding path program 1 times
[2020-09-25 14:48:57,547 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:48:57,548 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1111208926]
[2020-09-25 14:48:57,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:48:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:57,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:58,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:58,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:58,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 65
[2020-09-25 14:48:58,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2
[2020-09-25 14:48:58,733 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 949
[2020-09-25 14:48:58,737 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:58,738 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:48:58,738 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 31
[2020-09-25 14:48:58,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33
[2020-09-25 14:48:58,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5
[2020-09-25 14:48:59,047 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 43
[2020-09-25 14:48:59,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:48:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:59,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:59,156 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:59,157 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34
[2020-09-25 14:48:59,157 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:48:59,157 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91
[2020-09-25 14:48:59,158 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:59,158 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:48:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:48:59,158 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27
[2020-09-25 14:48:59,159 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:48:59,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-09-25 14:48:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:48:59,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:48:59,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:48:59,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 14:48:59,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:48:59,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28
[2020-09-25 14:48:59,269 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:48:59,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:48:59,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:48:59,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:48:59,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5
[2020-09-25 14:48:59,270 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:48:59,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:48:59,284 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1111208926]
[2020-09-25 14:48:59,287 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:48:59,287 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 14:48:59,288 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934785553]
[2020-09-25 14:48:59,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 14:48:59,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:48:59,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 14:48:59,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2020-09-25 14:48:59,318 INFO L87 Difference]: Start difference. First operand 80 states. Second operand 8 states.
[2020-09-25 14:49:00,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:49:00,206 INFO L93 Difference]: Finished difference Result 128 states and 143 transitions.
[2020-09-25 14:49:00,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states.
[2020-09-25 14:49:00,209 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 50
[2020-09-25 14:49:00,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:49:00,226 INFO L225 Difference]: With dead ends: 128
[2020-09-25 14:49:00,226 INFO L226 Difference]: Without dead ends: 80
[2020-09-25 14:49:00,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210
[2020-09-25 14:49:00,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states.
[2020-09-25 14:49:00,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 72.
[2020-09-25 14:49:00,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states.
[2020-09-25 14:49:00,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 76 transitions.
[2020-09-25 14:49:00,303 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 76 transitions. Word has length 50
[2020-09-25 14:49:00,303 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:49:00,303 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 76 transitions.
[2020-09-25 14:49:00,304 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 14:49:00,304 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 76 transitions.
[2020-09-25 14:49:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65
[2020-09-25 14:49:00,306 INFO L414 BasicCegarLoop]: Found error trace
[2020-09-25 14:49:00,307 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-09-25 14:49:00,307 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2020-09-25 14:49:00,307 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-09-25 14:49:00,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-09-25 14:49:00,308 INFO L82 PathProgramCache]: Analyzing trace with hash 2110981068, now seen corresponding path program 1 times
[2020-09-25 14:49:00,308 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-09-25 14:49:00,309 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [660765057]
[2020-09-25 14:49:00,309 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2020-09-25 14:49:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:49:00,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:49:00,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:49:00,655 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:49:01,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:49:01,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:49:02,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:49:02,368 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 81
[2020-09-25 14:49:02,368 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5
[2020-09-25 14:49:02,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2027
[2020-09-25 14:49:02,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:49:02,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:49:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5
[2020-09-25 14:49:02,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50
[2020-09-25 14:49:02,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25
[2020-09-25 14:49:02,381 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10
[2020-09-25 14:49:02,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2020-09-25 14:49:02,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:49:02,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:49:02,584 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:49:02,584 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34
[2020-09-25 14:49:02,585 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:49:02,585 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47
[2020-09-25 14:49:02,585 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:49:02,586 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:49:02,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1
[2020-09-25 14:49:02,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:49:02,586 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1
[2020-09-25 14:49:02,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:49:02,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38
[2020-09-25 14:49:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:49:02,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:49:02,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:49:02,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9
[2020-09-25 14:49:02,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:49:02,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20
[2020-09-25 14:49:02,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:49:02,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:49:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:49:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:49:02,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2
[2020-09-25 14:49:02,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:49:02,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46
[2020-09-25 14:49:02,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2020-09-25 14:49:02,857 FATAL L256 erpolLogProxyWrapper]: Now shrinking...
[2020-09-25 14:49:02,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000
[2020-09-25 14:49:02,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10
[2020-09-25 14:49:02,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1
[2020-09-25 14:49:02,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38
[2020-09-25 14:49:02,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE
[2020-09-25 14:49:02,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.5
[2020-09-25 14:49:02,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2
[2020-09-25 14:49:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2
[2020-09-25 14:49:02,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6
[2020-09-25 14:49:02,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1
[2020-09-25 14:49:02,921 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-09-25 14:49:02,922 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [660765057]
[2020-09-25 14:49:02,922 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-09-25 14:49:02,923 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2020-09-25 14:49:02,923 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [606576770]
[2020-09-25 14:49:02,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states
[2020-09-25 14:49:02,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-09-25 14:49:02,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2020-09-25 14:49:02,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56
[2020-09-25 14:49:02,928 INFO L87 Difference]: Start difference. First operand 72 states and 76 transitions. Second operand 8 states.
[2020-09-25 14:49:03,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-09-25 14:49:03,219 INFO L93 Difference]: Finished difference Result 72 states and 76 transitions.
[2020-09-25 14:49:03,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2020-09-25 14:49:03,219 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 64
[2020-09-25 14:49:03,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-09-25 14:49:03,220 INFO L225 Difference]: With dead ends: 72
[2020-09-25 14:49:03,221 INFO L226 Difference]: Without dead ends: 0
[2020-09-25 14:49:03,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90
[2020-09-25 14:49:03,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-09-25 14:49:03,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-09-25 14:49:03,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-09-25 14:49:03,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-09-25 14:49:03,224 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64
[2020-09-25 14:49:03,224 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-09-25 14:49:03,224 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-09-25 14:49:03,224 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2020-09-25 14:49:03,224 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-09-25 14:49:03,224 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-09-25 14:49:03,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2020-09-25 14:49:03,228 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-09-25 14:49:03,912 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 14:49:03,913 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,913 INFO L268 CegarLoopResult]: For program point L188-1(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,913 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed.
[2020-09-25 14:49:03,913 INFO L268 CegarLoopResult]: For program point L188-2(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,914 INFO L268 CegarLoopResult]: For program point L186-1(line 186) no Hoare annotation was computed.
[2020-09-25 14:49:03,914 INFO L268 CegarLoopResult]: For program point L188-3(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,914 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed.
[2020-09-25 14:49:03,914 INFO L268 CegarLoopResult]: For program point L188-4(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,914 INFO L268 CegarLoopResult]: For program point L188-5(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,914 INFO L268 CegarLoopResult]: For program point L188-6(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,914 INFO L268 CegarLoopResult]: For program point L188-7(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,915 INFO L268 CegarLoopResult]: For program point L188-8(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,915 INFO L268 CegarLoopResult]: For program point L188-9(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,915 INFO L268 CegarLoopResult]: For program point L188-10(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,915 INFO L268 CegarLoopResult]: For program point L188-11(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,915 INFO L268 CegarLoopResult]: For program point L188-12(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,915 INFO L268 CegarLoopResult]: For program point L188-13(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,916 INFO L268 CegarLoopResult]: For program point L188-14(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,916 INFO L268 CegarLoopResult]: For program point L188-15(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,916 INFO L268 CegarLoopResult]: For program point L188-16(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,916 INFO L268 CegarLoopResult]: For program point L188-17(line 188) no Hoare annotation was computed.
[2020-09-25 14:49:03,916 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed.
[2020-09-25 14:49:03,916 INFO L268 CegarLoopResult]: For program point L-1-1(line -1) no Hoare annotation was computed.
[2020-09-25 14:49:03,916 INFO L268 CegarLoopResult]: For program point L208(line 208) no Hoare annotation was computed.
[2020-09-25 14:49:03,916 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed.
[2020-09-25 14:49:03,917 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |~#unspec_addr~0.base| |old(~#unspec_addr~0.base)|) (= |old(#length)| |#length|) (= ~batch_at~0 |old(~batch_at~0)|) (= |#memory_int| |old(#memory_int)|) (= ~fstTTL~0 |old(~fstTTL~0)|) (= |old(#valid)| |#valid|) (= ~__tmpTR__int_1~0 |old(~__tmpTR__int_1~0)|) (= |~#unspec_addr~0.offset| |old(~#unspec_addr~0.offset)|) (= |#t~string1.base| |old(#t~string1.base)|) (= |~#host~0.base| |old(~#host~0.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |~#host~0.offset| |old(~#host~0.offset)|) (= |#t~string1.offset| |old(#t~string1.offset)|))
[2020-09-25 14:49:03,917 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 14:49:03,917 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-09-25 14:49:03,918 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~fstTTL~0) (<= ~fstTTL~0 1))
[2020-09-25 14:49:03,918 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-09-25 14:49:03,919 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-09-25 14:49:03,920 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 231 235) the Hoare annotation is: (or (not (<= ~fstTTL~0 1)) (and (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) (not (<= 1 ~fstTTL~0)))
[2020-09-25 14:49:03,920 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 231 235) no Hoare annotation was computed.
[2020-09-25 14:49:03,920 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed.
[2020-09-25 14:49:03,920 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 231 235) no Hoare annotation was computed.
[2020-09-25 14:49:03,921 INFO L264 CegarLoopResult]: At program point L232(line 232) the Hoare annotation is: (or (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0)) (= |old(~batch_at~0)| ~batch_at~0))
[2020-09-25 14:49:03,921 INFO L268 CegarLoopResult]: For program point L232-1(line 232) no Hoare annotation was computed.
[2020-09-25 14:49:03,925 INFO L268 CegarLoopResult]: For program point L232-2(line 232) no Hoare annotation was computed.
[2020-09-25 14:49:03,926 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed.
[2020-09-25 14:49:03,926 INFO L268 CegarLoopResult]: For program point L192(lines 192 194) no Hoare annotation was computed.
[2020-09-25 14:49:03,926 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 191 196) the Hoare annotation is: true
[2020-09-25 14:49:03,926 INFO L268 CegarLoopResult]: For program point L192-2(lines 191 196) no Hoare annotation was computed.
[2020-09-25 14:49:03,927 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 191 196) no Hoare annotation was computed.
[2020-09-25 14:49:03,927 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed.
[2020-09-25 14:49:03,927 INFO L268 CegarLoopResult]: For program point net_reopenEXIT(lines 214 229) no Hoare annotation was computed.
[2020-09-25 14:49:03,927 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed.
[2020-09-25 14:49:03,927 INFO L268 CegarLoopResult]: For program point L221-1(line 221) no Hoare annotation was computed.
[2020-09-25 14:49:03,927 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed.
[2020-09-25 14:49:03,927 INFO L268 CegarLoopResult]: For program point L228-1(line 228) no Hoare annotation was computed.
[2020-09-25 14:49:03,928 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed.
[2020-09-25 14:49:03,928 INFO L268 CegarLoopResult]: For program point L224-1(line 224) no Hoare annotation was computed.
[2020-09-25 14:49:03,928 INFO L264 CegarLoopResult]: At program point net_reopenENTRY(lines 214 229) the Hoare annotation is: (or (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0)))
[2020-09-25 14:49:03,929 INFO L268 CegarLoopResult]: For program point net_reopenFINAL(lines 214 229) no Hoare annotation was computed.
[2020-09-25 14:49:03,931 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed.
[2020-09-25 14:49:03,931 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed.
[2020-09-25 14:49:03,931 INFO L268 CegarLoopResult]: For program point L216-1(line 216) no Hoare annotation was computed.
[2020-09-25 14:49:03,931 INFO L264 CegarLoopResult]: At program point L216-2(lines 216 226) the Hoare annotation is: (or (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0)))
[2020-09-25 14:49:03,932 INFO L268 CegarLoopResult]: For program point L216-3(line 216) no Hoare annotation was computed.
[2020-09-25 14:49:03,932 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (and (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0) (= |old(~batch_at~0)| ~batch_at~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0)))
[2020-09-25 14:49:03,933 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (<= ~fstTTL~0 1)) (<= (+ ~batch_at~0 1) ~fstTTL~0) (not (<= 1 ~fstTTL~0)))
[2020-09-25 14:49:03,933 INFO L264 CegarLoopResult]: At program point net_send_batchENTRY(lines 203 213) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0)) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0))
[2020-09-25 14:49:03,933 INFO L268 CegarLoopResult]: For program point net_send_batchFINAL(lines 203 213) no Hoare annotation was computed.
[2020-09-25 14:49:03,933 INFO L268 CegarLoopResult]: For program point net_send_batchEXIT(lines 203 213) no Hoare annotation was computed.
[2020-09-25 14:49:03,934 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (not (<= 1 ~fstTTL~0)) (not (<= ~fstTTL~0 1)))
[2020-09-25 14:49:03,934 INFO L268 CegarLoopResult]: For program point L208-1(line 208) no Hoare annotation was computed.
[2020-09-25 14:49:03,934 INFO L268 CegarLoopResult]: For program point L206(line 206) no Hoare annotation was computed.
[2020-09-25 14:49:03,934 INFO L268 CegarLoopResult]: For program point L208-2(line 208) no Hoare annotation was computed.
[2020-09-25 14:49:03,934 INFO L268 CegarLoopResult]: For program point L208-3(line 208) no Hoare annotation was computed.
[2020-09-25 14:49:03,934 INFO L268 CegarLoopResult]: For program point L208-4(lines 208 209) no Hoare annotation was computed.
[2020-09-25 14:49:03,935 INFO L268 CegarLoopResult]: For program point L208-5(line 208) no Hoare annotation was computed.
[2020-09-25 14:49:03,935 INFO L268 CegarLoopResult]: For program point L206-3(lines 206 211) no Hoare annotation was computed.
[2020-09-25 14:49:03,935 INFO L268 CegarLoopResult]: For program point L206-4(line 206) no Hoare annotation was computed.
[2020-09-25 14:49:03,935 INFO L268 CegarLoopResult]: For program point L208-7(line 208) no Hoare annotation was computed.
[2020-09-25 14:49:03,936 INFO L268 CegarLoopResult]: For program point L206-5(line 206) no Hoare annotation was computed.
[2020-09-25 14:49:03,936 INFO L264 CegarLoopResult]: At program point L206-6(lines 206 211) the Hoare annotation is: (or (not (<= (+ ~batch_at~0 1) ~fstTTL~0)) (not (<= ~fstTTL~0 1)) (and (< net_send_batch_~i~0 256) (<= 0 net_send_batch_~i~0) (= |old(~__tmpTR__int_1~0)| ~__tmpTR__int_1~0)) (not (<= 1 ~fstTTL~0)))
[2020-09-25 14:49:03,936 INFO L268 CegarLoopResult]: For program point L206-7(lines 206 211) no Hoare annotation was computed.
[2020-09-25 14:49:03,937 INFO L264 CegarLoopResult]: At program point net_resetENTRY(lines 198 202) the Hoare annotation is: (or (not (<= ~fstTTL~0 1)) (not (<= 1 ~fstTTL~0)) (= |old(~batch_at~0)| ~batch_at~0))
[2020-09-25 14:49:03,937 INFO L268 CegarLoopResult]: For program point net_resetEXIT(lines 198 202) no Hoare annotation was computed.
[2020-09-25 14:49:03,937 INFO L268 CegarLoopResult]: For program point net_resetFINAL(lines 198 202) no Hoare annotation was computed.
[2020-09-25 14:49:03,968 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.09 02:49:03 BoogieIcfgContainer
[2020-09-25 14:49:03,969 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-09-25 14:49:03,974 INFO L168 Benchmark]: Toolchain (without parser) took 8866.95 ms. Allocated memory was 138.4 MB in the beginning and 413.1 MB in the end (delta: 274.7 MB). Free memory was 101.4 MB in the beginning and 254.7 MB in the end (delta: -153.3 MB). Peak memory consumption was 121.5 MB. Max. memory is 7.1 GB.
[2020-09-25 14:49:03,975 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
[2020-09-25 14:49:03,976 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1643.55 ms. Allocated memory was 138.4 MB in the beginning and 261.6 MB in the end (delta: 123.2 MB). Free memory was 100.8 MB in the beginning and 150.3 MB in the end (delta: -49.6 MB). Peak memory consumption was 183.5 MB. Max. memory is 7.1 GB.
[2020-09-25 14:49:03,977 INFO L168 Benchmark]: Boogie Preprocessor took 65.55 ms. Allocated memory is still 261.6 MB. Free memory was 150.3 MB in the beginning and 148.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
[2020-09-25 14:49:03,979 INFO L168 Benchmark]: RCFGBuilder took 559.45 ms. Allocated memory is still 261.6 MB. Free memory was 148.4 MB in the beginning and 120.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB.
[2020-09-25 14:49:03,987 INFO L168 Benchmark]: TraceAbstraction took 6589.85 ms. Allocated memory was 261.6 MB in the beginning and 413.1 MB in the end (delta: 151.5 MB). Free memory was 120.1 MB in the beginning and 254.7 MB in the end (delta: -134.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB.
[2020-09-25 14:49:03,999 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.28 ms. Allocated memory is still 138.4 MB. Free memory was 119.9 MB in the beginning and 119.7 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 1643.55 ms. Allocated memory was 138.4 MB in the beginning and 261.6 MB in the end (delta: 123.2 MB). Free memory was 100.8 MB in the beginning and 150.3 MB in the end (delta: -49.6 MB). Peak memory consumption was 183.5 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 65.55 ms. Allocated memory is still 261.6 MB. Free memory was 150.3 MB in the beginning and 148.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 559.45 ms. Allocated memory is still 261.6 MB. Free memory was 148.4 MB in the beginning and 120.1 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 6589.85 ms. Allocated memory was 261.6 MB in the beginning and 413.1 MB in the end (delta: 151.5 MB). Free memory was 120.1 MB in the beginning and 254.7 MB in the end (delta: -134.5 MB). Peak memory consumption was 17.0 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 193]: call of __VERIFIER_error() unreachable
For all program executions holds that call of __VERIFIER_error() unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 216]: Loop Invariant
Derived loop invariant: ((\old(__tmpTR__int_1) == __tmpTR__int_1 && \old(batch_at) == batch_at) || !(fstTTL <= 1)) || !(1 <= fstTTL)
- InvariantResult [Line: 206]: Loop Invariant
Derived loop invariant: ((!(batch_at + 1 <= fstTTL) || !(fstTTL <= 1)) || ((i < 256 && 0 <= i) && \old(__tmpTR__int_1) == __tmpTR__int_1)) || !(1 <= fstTTL)
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 7 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.7s, OverallIterations: 2, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 118 SDtfs, 147 SDslu, 306 SDs, 0 SdLazy, 293 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=80occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 14 LocationsWithAnnotation, 16 PreInvPairs, 17 NumberOfFragments, 218 HoareAnnotationTreeSize, 16 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 14 FomulaSimplificationsInter, 326 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 19488 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...