/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 4 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/bitvector/jain_7-2.c
--------------------------------------------------------------------------------
This is Ultimate 0.1.25-d623d84
[2020-07-20 13:06:26,611 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2020-07-20 13:06:26,614 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2020-07-20 13:06:26,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2020-07-20 13:06:26,634 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2020-07-20 13:06:26,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2020-07-20 13:06:26,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2020-07-20 13:06:26,649 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2020-07-20 13:06:26,654 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2020-07-20 13:06:26,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2020-07-20 13:06:26,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2020-07-20 13:06:26,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2020-07-20 13:06:26,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2020-07-20 13:06:26,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2020-07-20 13:06:26,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2020-07-20 13:06:26,666 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2020-07-20 13:06:26,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2020-07-20 13:06:26,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2020-07-20 13:06:26,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2020-07-20 13:06:26,676 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2020-07-20 13:06:26,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2020-07-20 13:06:26,685 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2020-07-20 13:06:26,686 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2020-07-20 13:06:26,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2020-07-20 13:06:26,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2020-07-20 13:06:26,689 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2020-07-20 13:06:26,689 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2020-07-20 13:06:26,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2020-07-20 13:06:26,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2020-07-20 13:06:26,693 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2020-07-20 13:06:26,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2020-07-20 13:06:26,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2020-07-20 13:06:26,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2020-07-20 13:06:26,696 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2020-07-20 13:06:26,698 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2020-07-20 13:06:26,698 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2020-07-20 13:06:26,698 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2020-07-20 13:06:26,699 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2020-07-20 13:06:26,699 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2020-07-20 13:06:26,700 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2020-07-20 13:06:26,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2020-07-20 13:06:26,702 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2020-07-20 13:06:26,737 INFO L113 SettingsManager]: Loading preferences was successful
[2020-07-20 13:06:26,737 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2020-07-20 13:06:26,741 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2020-07-20 13:06:26,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2020-07-20 13:06:26,742 INFO L138 SettingsManager]: * Use SBE=true
[2020-07-20 13:06:26,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2020-07-20 13:06:26,742 INFO L138 SettingsManager]: * sizeof long=4
[2020-07-20 13:06:26,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2020-07-20 13:06:26,743 INFO L138 SettingsManager]: * sizeof POINTER=4
[2020-07-20 13:06:26,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2020-07-20 13:06:26,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2020-07-20 13:06:26,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2020-07-20 13:06:26,743 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2020-07-20 13:06:26,744 INFO L138 SettingsManager]: * sizeof long double=12
[2020-07-20 13:06:26,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2020-07-20 13:06:26,744 INFO L138 SettingsManager]: * Use constant arrays=true
[2020-07-20 13:06:26,744 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2020-07-20 13:06:26,744 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2020-07-20 13:06:26,745 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2020-07-20 13:06:26,745 INFO L138 SettingsManager]: * To the following directory=./dump/
[2020-07-20 13:06:26,745 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2020-07-20 13:06:26,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2020-07-20 13:06:26,745 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2020-07-20 13:06:26,746 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2020-07-20 13:06:26,746 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2020-07-20 13:06:26,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2020-07-20 13:06:26,746 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:06:26,746 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2020-07-20 13:06:26,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2020-07-20 13:06:26,747 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 -> FPandBPonlyIfFpWasNotPerfect
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> SMT_FEATURE_HEURISTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 4
[2020-07-20 13:06:27,057 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2020-07-20 13:06:27,076 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2020-07-20 13:06:27,080 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2020-07-20 13:06:27,084 INFO L271 PluginConnector]: Initializing CDTParser...
[2020-07-20 13:06:27,087 INFO L275 PluginConnector]: CDTParser initialized
[2020-07-20 13:06:27,088 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/bitvector/jain_7-2.c
[2020-07-20 13:06:27,185 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38b006ade/a25eaadd2cad448bb95c53d0652e2669/FLAGc4b60bcc8
[2020-07-20 13:06:27,629 INFO L306 CDTParser]: Found 1 translation units.
[2020-07-20 13:06:27,630 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/bitvector/jain_7-2.c
[2020-07-20 13:06:27,636 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38b006ade/a25eaadd2cad448bb95c53d0652e2669/FLAGc4b60bcc8
[2020-07-20 13:06:28,011 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/38b006ade/a25eaadd2cad448bb95c53d0652e2669
[2020-07-20 13:06:28,022 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2020-07-20 13:06:28,024 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2020-07-20 13:06:28,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2020-07-20 13:06:28,026 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2020-07-20 13:06:28,030 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2020-07-20 13:06:28,031 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:28" (1/1) ...
[2020-07-20 13:06:28,034 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2162d0d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28, skipping insertion in model container
[2020-07-20 13:06:28,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 01:06:28" (1/1) ...
[2020-07-20 13:06:28,042 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2020-07-20 13:06:28,058 INFO L178 MainTranslator]: Built tables and reachable declarations
[2020-07-20 13:06:28,220 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:06:28,224 INFO L203 MainTranslator]: Completed pre-run
[2020-07-20 13:06:28,238 INFO L206 PostProcessor]: Analyzing one entry point: main
[2020-07-20 13:06:28,249 INFO L208 MainTranslator]: Completed translation
[2020-07-20 13:06:28,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28 WrapperNode
[2020-07-20 13:06:28,250 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2020-07-20 13:06:28,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2020-07-20 13:06:28,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2020-07-20 13:06:28,251 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2020-07-20 13:06:28,261 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28" (1/1) ...
[2020-07-20 13:06:28,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28" (1/1) ...
[2020-07-20 13:06:28,266 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28" (1/1) ...
[2020-07-20 13:06:28,267 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28" (1/1) ...
[2020-07-20 13:06:28,270 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28" (1/1) ...
[2020-07-20 13:06:28,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28" (1/1) ...
[2020-07-20 13:06:28,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28" (1/1) ...
[2020-07-20 13:06:28,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2020-07-20 13:06:28,360 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2020-07-20 13:06:28,360 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2020-07-20 13:06:28,360 INFO L275 PluginConnector]: RCFGBuilder initialized
[2020-07-20 13:06:28,361 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28" (1/1) ...
No working directory specified, using /storage/repos/ultimate/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
[2020-07-20 13:06:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2020-07-20 13:06:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2020-07-20 13:06:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2020-07-20 13:06:28,432 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2020-07-20 13:06:28,432 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2020-07-20 13:06:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint
[2020-07-20 13:06:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2020-07-20 13:06:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2020-07-20 13:06:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2020-07-20 13:06:28,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2020-07-20 13:06:28,588 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2020-07-20 13:06:28,588 INFO L295 CfgBuilder]: Removed 1 assume(true) statements.
[2020-07-20 13:06:28,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:28 BoogieIcfgContainer
[2020-07-20 13:06:28,592 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2020-07-20 13:06:28,593 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2020-07-20 13:06:28,593 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2020-07-20 13:06:28,596 INFO L275 PluginConnector]: TraceAbstraction initialized
[2020-07-20 13:06:28,597 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 01:06:28" (1/3) ...
[2020-07-20 13:06:28,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66430780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:28, skipping insertion in model container
[2020-07-20 13:06:28,598 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 01:06:28" (2/3) ...
[2020-07-20 13:06:28,598 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66430780 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 01:06:28, skipping insertion in model container
[2020-07-20 13:06:28,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 01:06:28" (3/3) ...
[2020-07-20 13:06:28,600 INFO L109 eAbstractionObserver]: Analyzing ICFG jain_7-2.c
[2020-07-20 13:06:28,612 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION
[2020-07-20 13:06:28,620 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2020-07-20 13:06:28,635 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2020-07-20 13:06:28,661 INFO L375 AbstractCegarLoop]: Interprodecural is true
[2020-07-20 13:06:28,661 INFO L376 AbstractCegarLoop]: Hoare is true
[2020-07-20 13:06:28,661 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect
[2020-07-20 13:06:28,662 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2020-07-20 13:06:28,662 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2020-07-20 13:06:28,662 INFO L380 AbstractCegarLoop]: Difference is false
[2020-07-20 13:06:28,662 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2020-07-20 13:06:28,662 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2020-07-20 13:06:28,682 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states.
[2020-07-20 13:06:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11
[2020-07-20 13:06:28,689 INFO L414 BasicCegarLoop]: Found error trace
[2020-07-20 13:06:28,690 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2020-07-20 13:06:28,690 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2020-07-20 13:06:28,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2020-07-20 13:06:28,697 INFO L82 PathProgramCache]: Analyzing trace with hash -13144129, now seen corresponding path program 1 times
[2020-07-20 13:06:28,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES
[2020-07-20 13:06:28,708 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711420564]
[2020-07-20 13:06:28,708 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions)
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:06:28,794 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 4 partitions) issued 3 check-sat command(s)
[2020-07-20 13:06:28,794 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat
[2020-07-20 13:06:28,797 WARN L261 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 15 conjunts are in the unsatisfiable core
[2020-07-20 13:06:28,804 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2020-07-20 13:06:28,934 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 13:06:28,941 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 13:06:28,946 INFO L501 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts
[2020-07-20 13:06:28,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2020-07-20 13:06:28,996 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2020-07-20 13:06:28,997 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711420564]
[2020-07-20 13:06:28,997 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2020-07-20 13:06:28,998 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2020-07-20 13:06:28,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108570]
[2020-07-20 13:06:29,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states
[2020-07-20 13:06:29,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES
[2020-07-20 13:06:29,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2020-07-20 13:06:29,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2020-07-20 13:06:29,024 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 6 states.
[2020-07-20 13:06:29,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2020-07-20 13:06:29,105 INFO L93 Difference]: Finished difference Result 25 states and 33 transitions.
[2020-07-20 13:06:29,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2020-07-20 13:06:29,108 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10
[2020-07-20 13:06:29,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2020-07-20 13:06:29,115 INFO L225 Difference]: With dead ends: 25
[2020-07-20 13:06:29,116 INFO L226 Difference]: Without dead ends: 0
[2020-07-20 13:06:29,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2020-07-20 13:06:29,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2020-07-20 13:06:29,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2020-07-20 13:06:29,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2020-07-20 13:06:29,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2020-07-20 13:06:29,148 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10
[2020-07-20 13:06:29,148 INFO L84 Accepts]: Finished accepts. word is rejected.
[2020-07-20 13:06:29,148 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2020-07-20 13:06:29,148 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states.
[2020-07-20 13:06:29,149 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2020-07-20 13:06:29,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2020-07-20 13:06:29,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2020-07-20 13:06:29,354 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2020-07-20 13:06:29,475 INFO L271 CegarLoopResult]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true
[2020-07-20 13:06:29,475 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 13:06:29,476 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2020-07-20 13:06:29,476 INFO L271 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: true
[2020-07-20 13:06:29,476 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2020-07-20 13:06:29,476 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2020-07-20 13:06:29,477 INFO L271 CegarLoopResult]: At program point mainENTRY(lines 10 27) the Hoare annotation is: true
[2020-07-20 13:06:29,477 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 10 27) no Hoare annotation was computed.
[2020-07-20 13:06:29,477 INFO L264 CegarLoopResult]: At program point L24(line 24) the Hoare annotation is: (and (= 0 (mod main_~z~0 4194304)) (= (mod main_~y~0 2097152) 0) (= (mod (* main_~x~0 1048575) (- 1048576)) 0))
[2020-07-20 13:06:29,478 INFO L264 CegarLoopResult]: At program point L24-1(lines 18 25) the Hoare annotation is: (and (= 0 (mod main_~z~0 4194304)) (= (mod main_~y~0 2097152) 0) (= (mod (* main_~x~0 1048575) (- 1048576)) 0))
[2020-07-20 13:06:29,478 INFO L268 CegarLoopResult]: For program point L18-2(lines 18 25) no Hoare annotation was computed.
[2020-07-20 13:06:29,478 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 10 27) no Hoare annotation was computed.
[2020-07-20 13:06:29,481 INFO L271 CegarLoopResult]: At program point __VERIFIER_assertENTRY(lines 4 9) the Hoare annotation is: true
[2020-07-20 13:06:29,481 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertEXIT(lines 4 9) no Hoare annotation was computed.
[2020-07-20 13:06:29,481 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed.
[2020-07-20 13:06:29,481 INFO L268 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed.
[2020-07-20 13:06:29,482 INFO L268 CegarLoopResult]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed.
[2020-07-20 13:06:29,482 INFO L268 CegarLoopResult]: For program point L5-2(lines 4 9) no Hoare annotation was computed.
[2020-07-20 13:06:29,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 01:06:29 BoogieIcfgContainer
[2020-07-20 13:06:29,512 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2020-07-20 13:06:29,517 INFO L168 Benchmark]: Toolchain (without parser) took 1490.65 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 102.0 MB in the beginning and 131.1 MB in the end (delta: -29.1 MB). Peak memory consumption was 28.0 MB. Max. memory is 7.1 GB.
[2020-07-20 13:06:29,520 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
[2020-07-20 13:06:29,522 INFO L168 Benchmark]: CACSL2BoogieTranslator took 225.07 ms. Allocated memory is still 145.2 MB. Free memory was 101.5 MB in the beginning and 92.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
[2020-07-20 13:06:29,525 INFO L168 Benchmark]: Boogie Preprocessor took 107.25 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.2 MB in the beginning and 182.4 MB in the end (delta: -90.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB.
[2020-07-20 13:06:29,526 INFO L168 Benchmark]: RCFGBuilder took 232.50 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 170.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB.
[2020-07-20 13:06:29,527 INFO L168 Benchmark]: TraceAbstraction took 918.85 ms. Allocated memory is still 202.4 MB. Free memory was 170.3 MB in the beginning and 131.1 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB.
[2020-07-20 13:06:29,539 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 120.2 MB in the beginning and 119.9 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 225.07 ms. Allocated memory is still 145.2 MB. Free memory was 101.5 MB in the beginning and 92.2 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 107.25 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 92.2 MB in the beginning and 182.4 MB in the end (delta: -90.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 232.50 ms. Allocated memory is still 202.4 MB. Free memory was 181.5 MB in the beginning and 170.3 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB.
* TraceAbstraction took 918.85 ms. Allocated memory is still 202.4 MB. Free memory was 170.3 MB in the beginning and 131.1 MB in the end (delta: 39.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 6]: 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: 18]: Loop Invariant
Derived loop invariant: (0 == z % 4194304 && y % 2097152 == 0) && x * 1048575 % -1048576 == 0
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 4 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 7 SDtfs, 5 SDslu, 23 SDs, 0 SdLazy, 14 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 10 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 41 HoareAnnotationTreeSize, 8 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 11 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 351 SizeOfPredicates, 2 NumberOfNonLiveVariables, 30 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be correct!
Received shutdown request...