/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/nla-digbench/mannadiv.c
--------------------------------------------------------------------------------
This is Ultimate 0.2.1-dev-b7b32d2
[2021-02-21 16:40:40,851 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2021-02-21 16:40:40,855 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2021-02-21 16:40:40,913 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-02-21 16:40:40,914 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-02-21 16:40:40,918 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-02-21 16:40:40,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-02-21 16:40:40,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2021-02-21 16:40:40,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-02-21 16:40:40,941 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-02-21 16:40:40,943 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2021-02-21 16:40:40,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-02-21 16:40:40,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-02-21 16:40:40,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-02-21 16:40:40,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-02-21 16:40:40,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-02-21 16:40:40,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-02-21 16:40:40,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-02-21 16:40:40,966 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-02-21 16:40:40,974 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2021-02-21 16:40:40,976 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-02-21 16:40:40,978 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-02-21 16:40:40,980 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2021-02-21 16:40:40,983 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-02-21 16:40:40,992 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-02-21 16:40:40,993 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-02-21 16:40:40,993 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-02-21 16:40:40,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-02-21 16:40:40,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-02-21 16:40:40,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-02-21 16:40:40,998 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-02-21 16:40:40,999 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-02-21 16:40:41,001 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
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[2021-02-21 16:40:41,031 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-02-21 16:40:41,033 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2021-02-21 16:40:41,035 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2021-02-21 16:40:41,036 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
[2021-02-21 16:40:41,065 INFO L113 SettingsManager]: Loading preferences was successful
[2021-02-21 16:40:41,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2021-02-21 16:40:41,067 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-02-21 16:40:41,067 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2021-02-21 16:40:41,068 INFO L138 SettingsManager]: * Use SBE=true
[2021-02-21 16:40:41,068 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-02-21 16:40:41,068 INFO L138 SettingsManager]: * sizeof long=4
[2021-02-21 16:40:41,069 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2021-02-21 16:40:41,069 INFO L138 SettingsManager]: * sizeof POINTER=4
[2021-02-21 16:40:41,069 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2021-02-21 16:40:41,069 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2021-02-21 16:40:41,069 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-02-21 16:40:41,070 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2021-02-21 16:40:41,070 INFO L138 SettingsManager]: * sizeof long double=12
[2021-02-21 16:40:41,070 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2021-02-21 16:40:41,070 INFO L138 SettingsManager]: * Use constant arrays=true
[2021-02-21 16:40:41,071 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2021-02-21 16:40:41,071 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-02-21 16:40:41,071 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2021-02-21 16:40:41,071 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2021-02-21 16:40:41,072 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-02-21 16:40:41,072 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-02-21 16:40:41,072 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2021-02-21 16:40:41,072 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-02-21 16:40:41,073 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2021-02-21 16:40:41,073 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-02-21 16:40:41,073 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-02-21 16:40:41,073 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE
[2021-02-21 16:40:41,073 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-02-21 16:40:41,513 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2021-02-21 16:40:41,542 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-02-21 16:40:41,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-02-21 16:40:41,547 INFO L271 PluginConnector]: Initializing CDTParser...
[2021-02-21 16:40:41,548 INFO L275 PluginConnector]: CDTParser initialized
[2021-02-21 16:40:41,549 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/mannadiv.c
[2021-02-21 16:40:41,624 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ae9b799/386f237a73d44617916d7e0636031c3f/FLAGdbba0a1f3
[2021-02-21 16:40:42,293 INFO L306 CDTParser]: Found 1 translation units.
[2021-02-21 16:40:42,294 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c
[2021-02-21 16:40:42,304 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ae9b799/386f237a73d44617916d7e0636031c3f/FLAGdbba0a1f3
[2021-02-21 16:40:42,631 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6ae9b799/386f237a73d44617916d7e0636031c3f
[2021-02-21 16:40:42,635 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-02-21 16:40:42,650 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2021-02-21 16:40:42,654 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-02-21 16:40:42,655 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-02-21 16:40:42,659 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2021-02-21 16:40:42,660 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:40:42" (1/1) ...
[2021-02-21 16:40:42,662 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ef24c92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42, skipping insertion in model container
[2021-02-21 16:40:42,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.02 04:40:42" (1/1) ...
[2021-02-21 16:40:42,674 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2021-02-21 16:40:42,704 INFO L178 MainTranslator]: Built tables and reachable declarations
[2021-02-21 16:40:42,928 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c[573,586]
[2021-02-21 16:40:42,944 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-21 16:40:42,956 INFO L203 MainTranslator]: Completed pre-run
[2021-02-21 16:40:42,968 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/mannadiv.c[573,586]
[2021-02-21 16:40:42,974 INFO L206 PostProcessor]: Analyzing one entry point: main
[2021-02-21 16:40:42,993 INFO L208 MainTranslator]: Completed translation
[2021-02-21 16:40:42,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42 WrapperNode
[2021-02-21 16:40:42,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-02-21 16:40:42,995 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-02-21 16:40:42,995 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2021-02-21 16:40:42,996 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2021-02-21 16:40:43,011 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42" (1/1) ...
[2021-02-21 16:40:43,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42" (1/1) ...
[2021-02-21 16:40:43,020 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42" (1/1) ...
[2021-02-21 16:40:43,020 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42" (1/1) ...
[2021-02-21 16:40:43,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42" (1/1) ...
[2021-02-21 16:40:43,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42" (1/1) ...
[2021-02-21 16:40:43,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42" (1/1) ...
[2021-02-21 16:40:43,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-02-21 16:40:43,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-02-21 16:40:43,038 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2021-02-21 16:40:43,038 INFO L275 PluginConnector]: RCFGBuilder initialized
[2021-02-21 16:40:43,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42" (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
[2021-02-21 16:40:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2021-02-21 16:40:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-02-21 16:40:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error
[2021-02-21 16:40:43,152 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not
[2021-02-21 16:40:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2021-02-21 16:40:43,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2021-02-21 16:40:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure abort
[2021-02-21 16:40:43,153 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail
[2021-02-21 16:40:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error
[2021-02-21 16:40:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-02-21 16:40:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2021-02-21 16:40:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not
[2021-02-21 16:40:43,154 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2021-02-21 16:40:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2021-02-21 16:40:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2021-02-21 16:40:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2021-02-21 16:40:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-02-21 16:40:43,155 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2021-02-21 16:40:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2021-02-21 16:40:43,156 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-02-21 16:40:43,538 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-02-21 16:40:43,539 INFO L299 CfgBuilder]: Removed 1 assume(true) statements.
[2021-02-21 16:40:43,541 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:40:43 BoogieIcfgContainer
[2021-02-21 16:40:43,541 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-02-21 16:40:43,543 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-02-21 16:40:43,544 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2021-02-21 16:40:43,548 INFO L275 PluginConnector]: TraceAbstraction initialized
[2021-02-21 16:40:43,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.02 04:40:42" (1/3) ...
[2021-02-21 16:40:43,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ece4f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:40:43, skipping insertion in model container
[2021-02-21 16:40:43,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.02 04:40:42" (2/3) ...
[2021-02-21 16:40:43,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ece4f7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.02 04:40:43, skipping insertion in model container
[2021-02-21 16:40:43,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.02 04:40:43" (3/3) ...
[2021-02-21 16:40:43,552 INFO L111 eAbstractionObserver]: Analyzing ICFG mannadiv.c
[2021-02-21 16:40:43,559 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-02-21 16:40:43,564 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations.
[2021-02-21 16:40:43,587 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2021-02-21 16:40:43,620 INFO L376 AbstractCegarLoop]: Interprodecural is true
[2021-02-21 16:40:43,620 INFO L377 AbstractCegarLoop]: Hoare is true
[2021-02-21 16:40:43,620 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP
[2021-02-21 16:40:43,621 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE
[2021-02-21 16:40:43,621 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2021-02-21 16:40:43,621 INFO L381 AbstractCegarLoop]: Difference is false
[2021-02-21 16:40:43,621 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2021-02-21 16:40:43,621 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2021-02-21 16:40:43,644 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states.
[2021-02-21 16:40:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-02-21 16:40:43,651 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-21 16:40:43,652 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-21 16:40:43,652 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-21 16:40:43,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-21 16:40:43,660 INFO L82 PathProgramCache]: Analyzing trace with hash -786972844, now seen corresponding path program 1 times
[2021-02-21 16:40:43,670 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-21 16:40:43,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1979518777]
[2021-02-21 16:40:43,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-21 16:40:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 16:40:43,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:43,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:43,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:43,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:43,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0
[2021-02-21 16:40:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 16:40:43,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:43,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:43,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6
[2021-02-21 16:40:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 16:40:43,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:43,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:43,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:43,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:43,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2021-02-21 16:40:43,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 16:40:44,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,009 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked.
[2021-02-21 16:40:44,010 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1979518777]
[2021-02-21 16:40:44,011 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences.
[2021-02-21 16:40:44,011 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2021-02-21 16:40:44,012 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323650519]
[2021-02-21 16:40:44,018 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states
[2021-02-21 16:40:44,018 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-21 16:40:44,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-02-21 16:40:44,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-21 16:40:44,037 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 3 states.
[2021-02-21 16:40:44,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-21 16:40:44,131 INFO L93 Difference]: Finished difference Result 51 states and 68 transitions.
[2021-02-21 16:40:44,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2021-02-21 16:40:44,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22
[2021-02-21 16:40:44,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-21 16:40:44,146 INFO L225 Difference]: With dead ends: 51
[2021-02-21 16:40:44,146 INFO L226 Difference]: Without dead ends: 24
[2021-02-21 16:40:44,153 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-02-21 16:40:44,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states.
[2021-02-21 16:40:44,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24.
[2021-02-21 16:40:44,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2021-02-21 16:40:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 27 transitions.
[2021-02-21 16:40:44,205 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 27 transitions. Word has length 22
[2021-02-21 16:40:44,205 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-21 16:40:44,205 INFO L480 AbstractCegarLoop]: Abstraction has 24 states and 27 transitions.
[2021-02-21 16:40:44,205 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states.
[2021-02-21 16:40:44,206 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions.
[2021-02-21 16:40:44,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23
[2021-02-21 16:40:44,208 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-21 16:40:44,208 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-21 16:40:44,208 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-02-21 16:40:44,209 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-21 16:40:44,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-21 16:40:44,210 INFO L82 PathProgramCache]: Analyzing trace with hash -1131020600, now seen corresponding path program 1 times
[2021-02-21 16:40:44,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-21 16:40:44,210 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771146048]
[2021-02-21 16:40:44,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-21 16:40:44,235 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-02-21 16:40:44,236 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1864312148]
[2021-02-21 16:40:44,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-02-21 16:40:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 16:40:44,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 17 conjunts are in the unsatisfiable core
[2021-02-21 16:40:44,359 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-02-21 16:40:44,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,400 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:44,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-02-21 16:40:44,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:44,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:44,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:44,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:44,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:44,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:44,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-02-21 16:40:44,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-02-21 16:40:44,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,474 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:44,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,476 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:44,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,479 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:44,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:44,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:44,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,505 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-02-21 16:40:44,578 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-02-21 16:40:44,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-02-21 16:40:44,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-02-21 16:40:44,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-02-21 16:40:44,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-02-21 16:40:44,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-02-21 16:40:44,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13
[2021-02-21 16:40:44,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,636 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:44,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27
[2021-02-21 16:40:44,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,641 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:44,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:44,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:44,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:44,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:44,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:44,676 WARN L141 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-02-21 16:40:44,677 WARN L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1
[2021-02-21 16:40:44,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:44,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:44,684 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-02-21 16:40:44,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771146048]
[2021-02-21 16:40:44,685 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-02-21 16:40:44,685 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1864312148]
[2021-02-21 16:40:44,686 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2021-02-21 16:40:44,686 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8
[2021-02-21 16:40:44,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816029050]
[2021-02-21 16:40:44,688 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states
[2021-02-21 16:40:44,688 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-21 16:40:44,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2021-02-21 16:40:44,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56
[2021-02-21 16:40:44,690 INFO L87 Difference]: Start difference. First operand 24 states and 27 transitions. Second operand 8 states.
[2021-02-21 16:40:44,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-21 16:40:44,880 INFO L93 Difference]: Finished difference Result 35 states and 40 transitions.
[2021-02-21 16:40:44,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2021-02-21 16:40:44,881 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22
[2021-02-21 16:40:44,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-21 16:40:44,883 INFO L225 Difference]: With dead ends: 35
[2021-02-21 16:40:44,883 INFO L226 Difference]: Without dead ends: 33
[2021-02-21 16:40:44,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90
[2021-02-21 16:40:44,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states.
[2021-02-21 16:40:44,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 30.
[2021-02-21 16:40:44,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states.
[2021-02-21 16:40:44,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 33 transitions.
[2021-02-21 16:40:44,920 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 33 transitions. Word has length 22
[2021-02-21 16:40:44,922 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-21 16:40:44,922 INFO L480 AbstractCegarLoop]: Abstraction has 30 states and 33 transitions.
[2021-02-21 16:40:44,923 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states.
[2021-02-21 16:40:44,923 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 33 transitions.
[2021-02-21 16:40:44,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29
[2021-02-21 16:40:44,927 INFO L414 BasicCegarLoop]: Found error trace
[2021-02-21 16:40:44,928 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2021-02-21 16:40:45,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2021-02-21 16:40:45,142 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]===
[2021-02-21 16:40:45,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2021-02-21 16:40:45,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1991967029, now seen corresponding path program 1 times
[2021-02-21 16:40:45,145 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-02-21 16:40:45,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446878074]
[2021-02-21 16:40:45,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-02-21 16:40:45,196 ERROR L270 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic
[2021-02-21 16:40:45,196 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [952570345]
[2021-02-21 16:40:45,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-02-21 16:40:45,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-02-21 16:40:45,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 19 conjunts are in the unsatisfiable core
[2021-02-21 16:40:45,284 INFO L286 TraceCheckSpWp]: Computing forward predicates...
[2021-02-21 16:40:45,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:45,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-02-21 16:40:45,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14
[2021-02-21 16:40:45,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-02-21 16:40:45,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,352 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:45,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,355 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:45,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,376 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,399 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,402 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:45,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:45,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,407 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:45,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:45,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:45,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:45,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9
[2021-02-21 16:40:45,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,435 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4
[2021-02-21 16:40:45,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25
[2021-02-21 16:40:45,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21
[2021-02-21 16:40:45,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15
[2021-02-21 16:40:45,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15
[2021-02-21 16:40:45,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18
[2021-02-21 16:40:45,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19
[2021-02-21 16:40:45,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11
[2021-02-21 16:40:45,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11
[2021-02-21 16:40:45,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,517 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:45,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-21 16:40:45,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24
[2021-02-21 16:40:45,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,530 WARN L159 QuantifierPusher]: Ignoring assumption.
[2021-02-21 16:40:45,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20
[2021-02-21 16:40:45,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21
[2021-02-21 16:40:45,543 WARN L141 QuantifierPusher]: treesize reduction 29, result has 21.6 percent of original size
[2021-02-21 16:40:45,546 WARN L147 QuantifierPusher]: treesize reduction 29, result has 21.6 percent of original size 8
[2021-02-21 16:40:45,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7
[2021-02-21 16:40:45,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8
[2021-02-21 16:40:45,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3
[2021-02-21 16:40:45,588 WARN L141 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size
[2021-02-21 16:40:45,589 WARN L147 QuantifierPusher]: treesize reduction 6, result has 14.3 percent of original size 1
[2021-02-21 16:40:45,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size
[2021-02-21 16:40:45,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1
[2021-02-21 16:40:45,598 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2021-02-21 16:40:45,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446878074]
[2021-02-21 16:40:45,599 WARN L332 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown
[2021-02-21 16:40:45,599 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [952570345]
[2021-02-21 16:40:45,599 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences.
[2021-02-21 16:40:45,599 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12
[2021-02-21 16:40:45,600 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711382527]
[2021-02-21 16:40:45,601 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states
[2021-02-21 16:40:45,602 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2021-02-21 16:40:45,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants.
[2021-02-21 16:40:45,607 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132
[2021-02-21 16:40:45,607 INFO L87 Difference]: Start difference. First operand 30 states and 33 transitions. Second operand 12 states.
[2021-02-21 16:40:45,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-02-21 16:40:45,763 INFO L93 Difference]: Finished difference Result 30 states and 33 transitions.
[2021-02-21 16:40:45,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2021-02-21 16:40:45,764 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 28
[2021-02-21 16:40:45,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted.
[2021-02-21 16:40:45,765 INFO L225 Difference]: With dead ends: 30
[2021-02-21 16:40:45,765 INFO L226 Difference]: Without dead ends: 0
[2021-02-21 16:40:45,766 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=168, Unknown=0, NotChecked=0, Total=210
[2021-02-21 16:40:45,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2021-02-21 16:40:45,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2021-02-21 16:40:45,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states.
[2021-02-21 16:40:45,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2021-02-21 16:40:45,767 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28
[2021-02-21 16:40:45,767 INFO L84 Accepts]: Finished accepts. word is rejected.
[2021-02-21 16:40:45,767 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2021-02-21 16:40:45,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states.
[2021-02-21 16:40:45,767 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2021-02-21 16:40:45,768 INFO L282 IsEmpty]: Finished isEmpty. No accepting run.
[2021-02-21 16:40:45,981 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2021-02-21 16:40:45,985 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2021-02-21 16:40:46,315 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 9) no Hoare annotation was computed.
[2021-02-21 16:40:46,315 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 9) no Hoare annotation was computed.
[2021-02-21 16:40:46,315 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 9) no Hoare annotation was computed.
[2021-02-21 16:40:46,315 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed.
[2021-02-21 16:40:46,316 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|))
[2021-02-21 16:40:46,316 INFO L189 CegarLoopUtils]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed.
[2021-02-21 16:40:46,316 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2021-02-21 16:40:46,316 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true
[2021-02-21 16:40:46,317 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true
[2021-02-21 16:40:46,317 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2021-02-21 16:40:46,317 INFO L192 CegarLoopUtils]: At program point assume_abort_if_notENTRY(lines 12 14) the Hoare annotation is: true
[2021-02-21 16:40:46,317 INFO L189 CegarLoopUtils]: For program point L13(line 13) no Hoare annotation was computed.
[2021-02-21 16:40:46,317 INFO L189 CegarLoopUtils]: For program point L13-2(lines 12 14) no Hoare annotation was computed.
[2021-02-21 16:40:46,317 INFO L189 CegarLoopUtils]: For program point assume_abort_if_notEXIT(lines 12 14) no Hoare annotation was computed.
[2021-02-21 16:40:46,318 INFO L185 CegarLoopUtils]: At program point L35-2(lines 35 48) the Hoare annotation is: (let ((.cse0 (* main_~y1~0 main_~x2~0))) (and (= main_~x1~0 (+ main_~y2~0 .cse0)) (= (+ main_~y2~0 main_~y3~0 .cse0) main_~x1~0) (<= 0 main_~x1~0)))
[2021-02-21 16:40:46,318 INFO L189 CegarLoopUtils]: For program point L29(line 29) no Hoare annotation was computed.
[2021-02-21 16:40:46,318 INFO L189 CegarLoopUtils]: For program point mainEXIT(lines 22 51) no Hoare annotation was computed.
[2021-02-21 16:40:46,318 INFO L189 CegarLoopUtils]: For program point mainFINAL(lines 22 51) no Hoare annotation was computed.
[2021-02-21 16:40:46,318 INFO L189 CegarLoopUtils]: For program point L40(lines 40 47) no Hoare annotation was computed.
[2021-02-21 16:40:46,318 INFO L185 CegarLoopUtils]: At program point L40-2(lines 35 48) the Hoare annotation is: (and (<= main_~y3~0 main_~x1~0) (= (+ main_~y2~0 main_~y3~0 (* main_~y1~0 main_~x2~0)) main_~x1~0) (<= 0 main_~x1~0))
[2021-02-21 16:40:46,319 INFO L185 CegarLoopUtils]: At program point L36(line 36) the Hoare annotation is: (and (<= main_~y3~0 main_~x1~0) (= (+ main_~y2~0 main_~y3~0 (* main_~y1~0 main_~x2~0)) main_~x1~0) (<= 0 main_~x1~0))
[2021-02-21 16:40:46,319 INFO L189 CegarLoopUtils]: For program point L36-1(lines 35 48) no Hoare annotation was computed.
[2021-02-21 16:40:46,319 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 22 51) the Hoare annotation is: true
[2021-02-21 16:40:46,319 INFO L192 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: true
[2021-02-21 16:40:46,319 INFO L185 CegarLoopUtils]: At program point L28-1(line 28) the Hoare annotation is: (<= 0 main_~x1~0)
[2021-02-21 16:40:46,319 INFO L189 CegarLoopUtils]: For program point L49(line 49) no Hoare annotation was computed.
[2021-02-21 16:40:46,320 INFO L189 CegarLoopUtils]: For program point L17(lines 17 18) no Hoare annotation was computed.
[2021-02-21 16:40:46,320 INFO L189 CegarLoopUtils]: For program point L16(lines 16 19) no Hoare annotation was computed.
[2021-02-21 16:40:46,320 INFO L192 CegarLoopUtils]: At program point __VERIFIER_assertENTRY(lines 15 21) the Hoare annotation is: true
[2021-02-21 16:40:46,320 INFO L189 CegarLoopUtils]: For program point L16-2(lines 15 21) no Hoare annotation was computed.
[2021-02-21 16:40:46,320 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertEXIT(lines 15 21) no Hoare annotation was computed.
[2021-02-21 16:40:46,321 INFO L189 CegarLoopUtils]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) no Hoare annotation was computed.
[2021-02-21 16:40:46,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.02 04:40:46 BoogieIcfgContainer
[2021-02-21 16:40:46,339 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-02-21 16:40:46,340 INFO L168 Benchmark]: Toolchain (without parser) took 3702.91 ms. Allocated memory was 156.2 MB in the beginning and 210.8 MB in the end (delta: 54.5 MB). Free memory was 132.1 MB in the beginning and 179.3 MB in the end (delta: -47.2 MB). Peak memory consumption was 81.9 MB. Max. memory is 8.0 GB.
[2021-02-21 16:40:46,341 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 156.2 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-02-21 16:40:46,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.23 ms. Allocated memory is still 156.2 MB. Free memory was 130.9 MB in the beginning and 121.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
[2021-02-21 16:40:46,342 INFO L168 Benchmark]: Boogie Preprocessor took 41.85 ms. Allocated memory is still 156.2 MB. Free memory was 121.3 MB in the beginning and 119.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-02-21 16:40:46,342 INFO L168 Benchmark]: RCFGBuilder took 502.92 ms. Allocated memory is still 156.2 MB. Free memory was 119.8 MB in the beginning and 139.2 MB in the end (delta: -19.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB.
[2021-02-21 16:40:46,343 INFO L168 Benchmark]: TraceAbstraction took 2795.67 ms. Allocated memory was 156.2 MB in the beginning and 210.8 MB in the end (delta: 54.5 MB). Free memory was 138.7 MB in the beginning and 179.3 MB in the end (delta: -40.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 8.0 GB.
[2021-02-21 16:40:46,345 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22 ms. Allocated memory is still 156.2 MB. Free memory is still 130.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
* CACSL2BoogieTranslator took 340.23 ms. Allocated memory is still 156.2 MB. Free memory was 130.9 MB in the beginning and 121.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
* Boogie Preprocessor took 41.85 ms. Allocated memory is still 156.2 MB. Free memory was 121.3 MB in the beginning and 119.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
* RCFGBuilder took 502.92 ms. Allocated memory is still 156.2 MB. Free memory was 119.8 MB in the beginning and 139.2 MB in the end (delta: -19.3 MB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB.
* TraceAbstraction took 2795.67 ms. Allocated memory was 156.2 MB in the beginning and 210.8 MB in the end (delta: 54.5 MB). Free memory was 138.7 MB in the beginning and 179.3 MB in the end (delta: -40.6 MB). Peak memory consumption was 87.6 MB. Max. memory is 8.0 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 18]: call to reach_error is unreachable
For all program executions holds that call to reach_error is unreachable at this location
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
- InvariantResult [Line: 35]: Loop Invariant
Derived loop invariant: (y3 <= x1 && y2 + y3 + y1 * x2 == x1) && 0 <= x1
- StatisticsResult: Ultimate Automizer benchmark data
CFG has 6 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 58 SDtfs, 53 SDslu, 155 SDs, 0 SdLazy, 165 SolverSat, 19 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30occurred in iteration=2, 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, 3 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 17 PreInvPairs, 23 NumberOfFragments, 89 HoareAnnotationTreeSize, 17 FomulaSimplifications, 158 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 11 FomulaSimplificationsInter, 249 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 4701 SizeOfPredicates, 6 NumberOfNonLiveVariables, 241 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 7/14 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...