/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-19 05:35:58,909 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-19 05:35:58,912 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-19 05:35:58,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-19 05:35:58,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-19 05:35:58,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-19 05:35:58,932 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-19 05:35:58,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-19 05:35:58,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-19 05:35:58,946 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-19 05:35:58,947 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-19 05:35:58,950 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-19 05:35:58,950 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-19 05:35:58,953 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-19 05:35:58,954 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-19 05:35:58,955 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-19 05:35:58,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-19 05:35:58,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-19 05:35:58,962 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-19 05:35:58,966 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-19 05:35:58,969 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-19 05:35:58,971 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-19 05:35:58,972 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-19 05:35:58,973 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-19 05:35:58,979 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-19 05:35:58,979 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-19 05:35:58,980 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-19 05:35:58,981 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-19 05:35:58,983 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-19 05:35:58,985 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-19 05:35:58,985 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-19 05:35:58,986 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-19 05:35:58,987 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-19 05:35:58,987 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-19 05:35:58,989 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-19 05:35:58,989 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-19 05:35:58,990 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-19 05:35:58,990 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-19 05:35:58,991 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-19 05:35:58,993 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-19 05:35:58,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-19 05:35:58,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe.epf [2019-12-19 05:35:59,028 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-19 05:35:59,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-19 05:35:59,030 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-19 05:35:59,033 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-19 05:35:59,033 INFO L138 SettingsManager]: * Use SBE=true [2019-12-19 05:35:59,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-19 05:35:59,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-19 05:35:59,034 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-19 05:35:59,034 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-19 05:35:59,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-19 05:35:59,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-19 05:35:59,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-19 05:35:59,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-19 05:35:59,035 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-19 05:35:59,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-19 05:35:59,035 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-19 05:35:59,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-19 05:35:59,036 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-19 05:35:59,036 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-19 05:35:59,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-19 05:35:59,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-19 05:35:59,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-19 05:35:59,037 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-19 05:35:59,039 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-19 05:35:59,039 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-19 05:35:59,039 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-19 05:35:59,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-19 05:35:59,040 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-19 05:35:59,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-19 05:35:59,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-19 05:35:59,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-19 05:35:59,340 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-19 05:35:59,343 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-19 05:35:59,345 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-19 05:35:59,345 INFO L275 PluginConnector]: CDTParser initialized [2019-12-19 05:35:59,346 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2019-12-19 05:35:59,424 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a368526/9a2f40db41ea44d0b17b8c6f5e774a0c/FLAGcd7dcd27d [2019-12-19 05:36:00,017 INFO L306 CDTParser]: Found 1 translation units. [2019-12-19 05:36:00,018 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2019-12-19 05:36:00,033 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a368526/9a2f40db41ea44d0b17b8c6f5e774a0c/FLAGcd7dcd27d [2019-12-19 05:36:00,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6a368526/9a2f40db41ea44d0b17b8c6f5e774a0c [2019-12-19 05:36:00,290 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-19 05:36:00,292 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-19 05:36:00,296 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-19 05:36:00,296 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-19 05:36:00,300 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-19 05:36:00,301 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:36:00" (1/1) ... [2019-12-19 05:36:00,304 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@718f16f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:00, skipping insertion in model container [2019-12-19 05:36:00,304 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.12 05:36:00" (1/1) ... [2019-12-19 05:36:00,312 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-19 05:36:00,379 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-19 05:36:00,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:36:00,987 INFO L203 MainTranslator]: Completed pre-run [2019-12-19 05:36:01,043 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-19 05:36:01,138 INFO L208 MainTranslator]: Completed translation [2019-12-19 05:36:01,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01 WrapperNode [2019-12-19 05:36:01,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-19 05:36:01,139 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-19 05:36:01,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-19 05:36:01,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-19 05:36:01,149 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (1/1) ... [2019-12-19 05:36:01,176 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (1/1) ... [2019-12-19 05:36:01,198 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-19 05:36:01,198 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-19 05:36:01,198 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-19 05:36:01,199 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-19 05:36:01,206 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (1/1) ... [2019-12-19 05:36:01,206 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (1/1) ... [2019-12-19 05:36:01,209 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (1/1) ... [2019-12-19 05:36:01,213 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (1/1) ... [2019-12-19 05:36:01,228 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (1/1) ... [2019-12-19 05:36:01,234 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (1/1) ... [2019-12-19 05:36:01,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (1/1) ... [2019-12-19 05:36:01,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-19 05:36:01,240 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-19 05:36:01,240 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-19 05:36:01,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-19 05:36:01,241 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (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 [2019-12-19 05:36:01,315 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-19 05:36:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-19 05:36:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-19 05:36:01,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-19 05:36:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-19 05:36:01,318 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-19 05:36:01,318 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-19 05:36:01,319 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-19 05:36:01,319 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-19 05:36:01,320 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-19 05:36:01,320 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-19 05:36:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-19 05:36:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-19 05:36:01,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-19 05:36:01,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-19 05:36:01,324 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-19 05:36:01,727 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-19 05:36:01,728 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-19 05:36:01,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:36:01 BoogieIcfgContainer [2019-12-19 05:36:01,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-19 05:36:01,733 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-19 05:36:01,735 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-19 05:36:01,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-19 05:36:01,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.12 05:36:00" (1/3) ... [2019-12-19 05:36:01,740 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e365f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:36:01, skipping insertion in model container [2019-12-19 05:36:01,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.12 05:36:01" (2/3) ... [2019-12-19 05:36:01,741 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54e365f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.12 05:36:01, skipping insertion in model container [2019-12-19 05:36:01,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.12 05:36:01" (3/3) ... [2019-12-19 05:36:01,743 INFO L109 eAbstractionObserver]: Analyzing ICFG thin002_pso.opt.i [2019-12-19 05:36:01,754 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-19 05:36:01,755 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-19 05:36:01,766 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-19 05:36:01,767 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-19 05:36:01,807 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,807 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,808 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,808 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,808 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,809 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,809 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,810 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,810 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,810 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,811 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,811 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,814 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,814 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,814 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,814 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,815 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,815 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,816 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,816 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,816 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,816 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,817 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,817 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,824 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,824 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,824 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,825 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,832 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,832 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,833 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,833 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,839 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,840 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,841 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,841 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,845 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,846 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,846 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,846 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-19 05:36:01,866 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-19 05:36:01,891 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-19 05:36:01,891 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-19 05:36:01,892 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-19 05:36:01,892 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-19 05:36:01,892 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-19 05:36:01,892 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-19 05:36:01,892 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-19 05:36:01,893 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-19 05:36:01,909 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 67 transitions [2019-12-19 05:36:02,234 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 5475 states. [2019-12-19 05:36:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 5475 states. [2019-12-19 05:36:02,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2019-12-19 05:36:02,260 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:36:02,261 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:36:02,262 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:36:02,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:36:02,268 INFO L82 PathProgramCache]: Analyzing trace with hash 2004379789, now seen corresponding path program 1 times [2019-12-19 05:36:02,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:36:02,279 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31303951] [2019-12-19 05:36:02,279 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:36:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:36:02,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:36:02,665 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31303951] [2019-12-19 05:36:02,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:36:02,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-19 05:36:02,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53425682] [2019-12-19 05:36:02,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-19 05:36:02,673 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:36:02,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-19 05:36:02,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-19 05:36:02,691 INFO L87 Difference]: Start difference. First operand 5475 states. Second operand 4 states. [2019-12-19 05:36:02,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:36:02,883 INFO L93 Difference]: Finished difference Result 5712 states and 21937 transitions. [2019-12-19 05:36:02,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-19 05:36:02,885 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 38 [2019-12-19 05:36:02,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:36:02,929 INFO L225 Difference]: With dead ends: 5712 [2019-12-19 05:36:02,929 INFO L226 Difference]: Without dead ends: 2396 [2019-12-19 05:36:02,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:36:02,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2396 states. [2019-12-19 05:36:03,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2396 to 2396. [2019-12-19 05:36:03,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2396 states. [2019-12-19 05:36:03,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2396 states to 2396 states and 8940 transitions. [2019-12-19 05:36:03,125 INFO L78 Accepts]: Start accepts. Automaton has 2396 states and 8940 transitions. Word has length 38 [2019-12-19 05:36:03,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:36:03,127 INFO L462 AbstractCegarLoop]: Abstraction has 2396 states and 8940 transitions. [2019-12-19 05:36:03,127 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-19 05:36:03,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 8940 transitions. [2019-12-19 05:36:03,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2019-12-19 05:36:03,177 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:36:03,177 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:36:03,177 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:36:03,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:36:03,178 INFO L82 PathProgramCache]: Analyzing trace with hash -1300611009, now seen corresponding path program 1 times [2019-12-19 05:36:03,178 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:36:03,179 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827559128] [2019-12-19 05:36:03,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:36:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:36:03,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:36:03,361 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827559128] [2019-12-19 05:36:03,361 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:36:03,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-19 05:36:03,362 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957800221] [2019-12-19 05:36:03,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-19 05:36:03,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:36:03,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-19 05:36:03,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-19 05:36:03,364 INFO L87 Difference]: Start difference. First operand 2396 states and 8940 transitions. Second operand 5 states. [2019-12-19 05:36:03,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:36:03,480 INFO L93 Difference]: Finished difference Result 2567 states and 9324 transitions. [2019-12-19 05:36:03,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-19 05:36:03,481 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 39 [2019-12-19 05:36:03,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:36:03,501 INFO L225 Difference]: With dead ends: 2567 [2019-12-19 05:36:03,501 INFO L226 Difference]: Without dead ends: 2312 [2019-12-19 05:36:03,502 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:36:03,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2312 states. [2019-12-19 05:36:03,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2312 to 2312. [2019-12-19 05:36:03,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2312 states. [2019-12-19 05:36:03,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 2312 states and 8548 transitions. [2019-12-19 05:36:03,599 INFO L78 Accepts]: Start accepts. Automaton has 2312 states and 8548 transitions. Word has length 39 [2019-12-19 05:36:03,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:36:03,600 INFO L462 AbstractCegarLoop]: Abstraction has 2312 states and 8548 transitions. [2019-12-19 05:36:03,600 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-19 05:36:03,601 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 8548 transitions. [2019-12-19 05:36:03,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2019-12-19 05:36:03,608 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:36:03,608 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:36:03,608 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:36:03,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:36:03,609 INFO L82 PathProgramCache]: Analyzing trace with hash -448422512, now seen corresponding path program 1 times [2019-12-19 05:36:03,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:36:03,609 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395111670] [2019-12-19 05:36:03,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:36:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:36:03,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:36:03,749 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395111670] [2019-12-19 05:36:03,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:36:03,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-19 05:36:03,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [395041704] [2019-12-19 05:36:03,750 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-19 05:36:03,750 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:36:03,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-19 05:36:03,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-12-19 05:36:03,751 INFO L87 Difference]: Start difference. First operand 2312 states and 8548 transitions. Second operand 6 states. [2019-12-19 05:36:03,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:36:03,880 INFO L93 Difference]: Finished difference Result 2177 states and 7684 transitions. [2019-12-19 05:36:03,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:36:03,881 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 40 [2019-12-19 05:36:03,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:36:03,897 INFO L225 Difference]: With dead ends: 2177 [2019-12-19 05:36:03,897 INFO L226 Difference]: Without dead ends: 1934 [2019-12-19 05:36:03,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-19 05:36:03,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2019-12-19 05:36:04,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1934. [2019-12-19 05:36:04,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1934 states. [2019-12-19 05:36:04,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1934 states and 6910 transitions. [2019-12-19 05:36:04,023 INFO L78 Accepts]: Start accepts. Automaton has 1934 states and 6910 transitions. Word has length 40 [2019-12-19 05:36:04,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:36:04,023 INFO L462 AbstractCegarLoop]: Abstraction has 1934 states and 6910 transitions. [2019-12-19 05:36:04,024 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-19 05:36:04,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 6910 transitions. [2019-12-19 05:36:04,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2019-12-19 05:36:04,031 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:36:04,032 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:36:04,032 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:36:04,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:36:04,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1962214962, now seen corresponding path program 1 times [2019-12-19 05:36:04,033 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:36:04,033 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [904592326] [2019-12-19 05:36:04,033 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:36:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:36:04,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:36:04,231 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [904592326] [2019-12-19 05:36:04,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:36:04,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:36:04,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506773278] [2019-12-19 05:36:04,234 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:36:04,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:36:04,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:36:04,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:36:04,235 INFO L87 Difference]: Start difference. First operand 1934 states and 6910 transitions. Second operand 7 states. [2019-12-19 05:36:04,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:36:04,398 INFO L93 Difference]: Finished difference Result 1367 states and 4534 transitions. [2019-12-19 05:36:04,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:36:04,398 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2019-12-19 05:36:04,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:36:04,409 INFO L225 Difference]: With dead ends: 1367 [2019-12-19 05:36:04,409 INFO L226 Difference]: Without dead ends: 1178 [2019-12-19 05:36:04,411 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2019-12-19 05:36:04,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1178 states. [2019-12-19 05:36:04,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1178 to 1178. [2019-12-19 05:36:04,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2019-12-19 05:36:04,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 3886 transitions. [2019-12-19 05:36:04,449 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 3886 transitions. Word has length 41 [2019-12-19 05:36:04,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:36:04,452 INFO L462 AbstractCegarLoop]: Abstraction has 1178 states and 3886 transitions. [2019-12-19 05:36:04,452 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:36:04,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 3886 transitions. [2019-12-19 05:36:04,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-19 05:36:04,455 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:36:04,456 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:36:04,456 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:36:04,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:36:04,456 INFO L82 PathProgramCache]: Analyzing trace with hash 235705111, now seen corresponding path program 1 times [2019-12-19 05:36:04,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:36:04,457 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869877946] [2019-12-19 05:36:04,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:36:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:36:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:36:04,680 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869877946] [2019-12-19 05:36:04,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:36:04,681 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-19 05:36:04,681 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2070482498] [2019-12-19 05:36:04,681 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 05:36:04,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:36:04,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 05:36:04,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:36:04,682 INFO L87 Difference]: Start difference. First operand 1178 states and 3886 transitions. Second operand 8 states. [2019-12-19 05:36:04,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:36:04,826 INFO L93 Difference]: Finished difference Result 1727 states and 5779 transitions. [2019-12-19 05:36:04,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:36:04,827 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2019-12-19 05:36:04,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:36:04,834 INFO L225 Difference]: With dead ends: 1727 [2019-12-19 05:36:04,834 INFO L226 Difference]: Without dead ends: 878 [2019-12-19 05:36:04,835 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-19 05:36:04,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 878 states. [2019-12-19 05:36:04,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 878 to 878. [2019-12-19 05:36:04,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 878 states. [2019-12-19 05:36:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 2890 transitions. [2019-12-19 05:36:04,884 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 2890 transitions. Word has length 42 [2019-12-19 05:36:04,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:36:04,884 INFO L462 AbstractCegarLoop]: Abstraction has 878 states and 2890 transitions. [2019-12-19 05:36:04,885 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 05:36:04,885 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 2890 transitions. [2019-12-19 05:36:04,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-19 05:36:04,920 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:36:04,921 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:36:04,921 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:36:04,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:36:04,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1056006217, now seen corresponding path program 2 times [2019-12-19 05:36:04,922 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:36:04,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1671189735] [2019-12-19 05:36:04,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:36:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:36:05,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:36:05,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1671189735] [2019-12-19 05:36:05,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:36:05,074 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:36:05,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121918349] [2019-12-19 05:36:05,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:36:05,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:36:05,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:36:05,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:36:05,075 INFO L87 Difference]: Start difference. First operand 878 states and 2890 transitions. Second operand 7 states. [2019-12-19 05:36:05,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:36:05,172 INFO L93 Difference]: Finished difference Result 1391 states and 4672 transitions. [2019-12-19 05:36:05,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:36:05,172 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2019-12-19 05:36:05,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:36:05,178 INFO L225 Difference]: With dead ends: 1391 [2019-12-19 05:36:05,179 INFO L226 Difference]: Without dead ends: 770 [2019-12-19 05:36:05,179 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-19 05:36:05,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 770 states. [2019-12-19 05:36:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 770 to 770. [2019-12-19 05:36:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 770 states. [2019-12-19 05:36:05,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 2578 transitions. [2019-12-19 05:36:05,202 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 2578 transitions. Word has length 42 [2019-12-19 05:36:05,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:36:05,202 INFO L462 AbstractCegarLoop]: Abstraction has 770 states and 2578 transitions. [2019-12-19 05:36:05,203 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:36:05,203 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 2578 transitions. [2019-12-19 05:36:05,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-19 05:36:05,205 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:36:05,205 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:36:05,205 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:36:05,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:36:05,206 INFO L82 PathProgramCache]: Analyzing trace with hash -112551247, now seen corresponding path program 3 times [2019-12-19 05:36:05,206 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:36:05,206 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866086530] [2019-12-19 05:36:05,206 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:36:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:36:05,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:36:05,365 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866086530] [2019-12-19 05:36:05,365 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:36:05,365 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-19 05:36:05,365 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251300909] [2019-12-19 05:36:05,366 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-19 05:36:05,366 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:36:05,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-19 05:36:05,367 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2019-12-19 05:36:05,367 INFO L87 Difference]: Start difference. First operand 770 states and 2578 transitions. Second operand 8 states. [2019-12-19 05:36:05,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:36:05,472 INFO L93 Difference]: Finished difference Result 1256 states and 4279 transitions. [2019-12-19 05:36:05,472 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-19 05:36:05,472 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 42 [2019-12-19 05:36:05,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:36:05,478 INFO L225 Difference]: With dead ends: 1256 [2019-12-19 05:36:05,478 INFO L226 Difference]: Without dead ends: 719 [2019-12-19 05:36:05,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-12-19 05:36:05,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2019-12-19 05:36:05,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 719. [2019-12-19 05:36:05,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 719 states. [2019-12-19 05:36:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 719 states and 2434 transitions. [2019-12-19 05:36:05,503 INFO L78 Accepts]: Start accepts. Automaton has 719 states and 2434 transitions. Word has length 42 [2019-12-19 05:36:05,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:36:05,503 INFO L462 AbstractCegarLoop]: Abstraction has 719 states and 2434 transitions. [2019-12-19 05:36:05,503 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-19 05:36:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 2434 transitions. [2019-12-19 05:36:05,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2019-12-19 05:36:05,505 INFO L403 BasicCegarLoop]: Found error trace [2019-12-19 05:36:05,505 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-19 05:36:05,506 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-19 05:36:05,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-19 05:36:05,506 INFO L82 PathProgramCache]: Analyzing trace with hash -267044461, now seen corresponding path program 4 times [2019-12-19 05:36:05,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-19 05:36:05,507 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942510634] [2019-12-19 05:36:05,507 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-19 05:36:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-19 05:36:05,619 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-19 05:36:05,620 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942510634] [2019-12-19 05:36:05,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-19 05:36:05,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-19 05:36:05,620 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [766840343] [2019-12-19 05:36:05,621 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-19 05:36:05,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-19 05:36:05,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-19 05:36:05,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-19 05:36:05,623 INFO L87 Difference]: Start difference. First operand 719 states and 2434 transitions. Second operand 7 states. [2019-12-19 05:36:05,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-19 05:36:05,722 INFO L93 Difference]: Finished difference Result 557 states and 1840 transitions. [2019-12-19 05:36:05,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-19 05:36:05,722 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 42 [2019-12-19 05:36:05,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-19 05:36:05,723 INFO L225 Difference]: With dead ends: 557 [2019-12-19 05:36:05,723 INFO L226 Difference]: Without dead ends: 0 [2019-12-19 05:36:05,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-19 05:36:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-19 05:36:05,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-19 05:36:05,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-19 05:36:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-19 05:36:05,724 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2019-12-19 05:36:05,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-19 05:36:05,725 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-19 05:36:05,725 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-19 05:36:05,725 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-19 05:36:05,725 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-19 05:36:05,733 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.12 05:36:05 BasicIcfg [2019-12-19 05:36:05,733 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-19 05:36:05,742 INFO L168 Benchmark]: Toolchain (without parser) took 5444.53 ms. Allocated memory was 146.8 MB in the beginning and 307.2 MB in the end (delta: 160.4 MB). Free memory was 101.8 MB in the beginning and 127.2 MB in the end (delta: -25.4 MB). Peak memory consumption was 135.1 MB. Max. memory is 7.1 GB. [2019-12-19 05:36:05,743 INFO L168 Benchmark]: CDTParser took 1.52 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-19 05:36:05,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 842.78 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 159.6 MB in the end (delta: -58.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-12-19 05:36:05,744 INFO L168 Benchmark]: Boogie Procedure Inliner took 58.61 ms. Allocated memory is still 203.9 MB. Free memory was 159.6 MB in the beginning and 157.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-19 05:36:05,748 INFO L168 Benchmark]: Boogie Preprocessor took 41.37 ms. Allocated memory is still 203.9 MB. Free memory was 157.1 MB in the beginning and 155.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2019-12-19 05:36:05,751 INFO L168 Benchmark]: RCFGBuilder took 489.99 ms. Allocated memory is still 203.9 MB. Free memory was 155.8 MB in the beginning and 133.3 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-12-19 05:36:05,752 INFO L168 Benchmark]: TraceAbstraction took 4000.58 ms. Allocated memory was 203.9 MB in the beginning and 307.2 MB in the end (delta: 103.3 MB). Free memory was 132.6 MB in the beginning and 127.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. [2019-12-19 05:36:05,763 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.52 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 842.78 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 101.6 MB in the beginning and 159.6 MB in the end (delta: -58.0 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 58.61 ms. Allocated memory is still 203.9 MB. Free memory was 159.6 MB in the beginning and 157.1 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.37 ms. Allocated memory is still 203.9 MB. Free memory was 157.1 MB in the beginning and 155.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 489.99 ms. Allocated memory is still 203.9 MB. Free memory was 155.8 MB in the beginning and 133.3 MB in the end (delta: 22.5 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4000.58 ms. Allocated memory was 203.9 MB in the beginning and 307.2 MB in the end (delta: 103.3 MB). Free memory was 132.6 MB in the beginning and 127.2 MB in the end (delta: 5.4 MB). Peak memory consumption was 108.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 67 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 470 SDtfs, 758 SDslu, 1298 SDs, 0 SdLazy, 175 SolverSat, 84 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 78 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5475occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 326 NumberOfCodeBlocks, 326 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 318 ConstructedInterpolants, 0 QuantifiedInterpolants, 39038 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...