/usr/bin/java -Xmx16000000000 -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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-11af1e5 [2020-10-09 13:01:38,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-09 13:01:38,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-09 13:01:38,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-09 13:01:38,029 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-09 13:01:38,031 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-09 13:01:38,033 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-09 13:01:38,034 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-09 13:01:38,036 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-09 13:01:38,037 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-09 13:01:38,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-09 13:01:38,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-09 13:01:38,039 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-09 13:01:38,040 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-09 13:01:38,041 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-09 13:01:38,042 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-09 13:01:38,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-09 13:01:38,044 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-09 13:01:38,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-09 13:01:38,047 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-09 13:01:38,048 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-09 13:01:38,049 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-09 13:01:38,050 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-09 13:01:38,051 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-09 13:01:38,053 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-09 13:01:38,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-09 13:01:38,054 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-09 13:01:38,055 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-09 13:01:38,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-09 13:01:38,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-09 13:01:38,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-09 13:01:38,057 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-09 13:01:38,058 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-09 13:01:38,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-09 13:01:38,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-09 13:01:38,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-09 13:01:38,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-09 13:01:38,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-09 13:01:38,061 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-09 13:01:38,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-09 13:01:38,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-09 13:01:38,063 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-09 13:01:38,085 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-09 13:01:38,085 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-09 13:01:38,086 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-09 13:01:38,086 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-09 13:01:38,086 INFO L138 SettingsManager]: * Use SBE=true [2020-10-09 13:01:38,087 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-09 13:01:38,087 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-09 13:01:38,087 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-09 13:01:38,087 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-09 13:01:38,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-09 13:01:38,088 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-09 13:01:38,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-09 13:01:38,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-09 13:01:38,088 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-09 13:01:38,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-09 13:01:38,089 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-09 13:01:38,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-09 13:01:38,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-09 13:01:38,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-09 13:01:38,089 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-09 13:01:38,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-09 13:01:38,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 13:01:38,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-09 13:01:38,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-09 13:01:38,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-09 13:01:38,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-09 13:01:38,091 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-09 13:01:38,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-09 13:01:38,091 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-09 13:01:38,091 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-09 13:01:38,400 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-09 13:01:38,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-09 13:01:38,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-09 13:01:38,422 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-09 13:01:38,422 INFO L275 PluginConnector]: CDTParser initialized [2020-10-09 13:01:38,423 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe030_tso.opt.i [2020-10-09 13:01:38,493 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c44bd4c8/8d7e93ff4de94d148ff0683419493490/FLAGfdd1ed4f7 [2020-10-09 13:01:39,024 INFO L306 CDTParser]: Found 1 translation units. [2020-10-09 13:01:39,024 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe030_tso.opt.i [2020-10-09 13:01:39,046 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c44bd4c8/8d7e93ff4de94d148ff0683419493490/FLAGfdd1ed4f7 [2020-10-09 13:01:39,297 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0c44bd4c8/8d7e93ff4de94d148ff0683419493490 [2020-10-09 13:01:39,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-09 13:01:39,306 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-09 13:01:39,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-09 13:01:39,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-09 13:01:39,311 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-09 13:01:39,312 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:39,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1fc45f39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39, skipping insertion in model container [2020-10-09 13:01:39,314 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:39,322 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-09 13:01:39,359 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-09 13:01:39,802 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 13:01:39,818 INFO L203 MainTranslator]: Completed pre-run [2020-10-09 13:01:39,897 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-09 13:01:39,982 INFO L208 MainTranslator]: Completed translation [2020-10-09 13:01:39,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39 WrapperNode [2020-10-09 13:01:39,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-09 13:01:39,983 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-09 13:01:39,983 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-09 13:01:39,983 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-09 13:01:39,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:40,005 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:40,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-09 13:01:40,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-09 13:01:40,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-09 13:01:40,025 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-09 13:01:40,034 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:40,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:40,038 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:40,038 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:40,046 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:40,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:40,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... [2020-10-09 13:01:40,053 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-09 13:01:40,054 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-09 13:01:40,054 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-09 13:01:40,054 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-09 13:01:40,055 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-09 13:01:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-09 13:01:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-09 13:01:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-09 13:01:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-09 13:01:40,127 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-09 13:01:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-09 13:01:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-09 13:01:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-09 13:01:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-09 13:01:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-09 13:01:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-09 13:01:40,129 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-09 13:01:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-09 13:01:40,131 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-09 13:01:40,432 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-09 13:01:40,432 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-09 13:01:40,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 01:01:40 BoogieIcfgContainer [2020-10-09 13:01:40,435 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-09 13:01:40,436 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-09 13:01:40,436 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-09 13:01:40,439 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-09 13:01:40,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.10 01:01:39" (1/3) ... [2020-10-09 13:01:40,440 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a32a87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 01:01:40, skipping insertion in model container [2020-10-09 13:01:40,440 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.10 01:01:39" (2/3) ... [2020-10-09 13:01:40,441 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a32a87e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.10 01:01:40, skipping insertion in model container [2020-10-09 13:01:40,441 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.10 01:01:40" (3/3) ... [2020-10-09 13:01:40,442 INFO L111 eAbstractionObserver]: Analyzing ICFG safe030_tso.opt.i [2020-10-09 13:01:40,470 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-09 13:01:40,471 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-09 13:01:40,479 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-09 13:01:40,480 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-09 13:01:40,508 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,509 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,509 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,509 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,510 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,511 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,511 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,511 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,512 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,512 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,513 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,513 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,513 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,514 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,517 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,518 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,518 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,524 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,524 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,524 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,525 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,528 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,528 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,529 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-09 13:01:40,544 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-09 13:01:40,564 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-09 13:01:40,564 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-09 13:01:40,564 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-09 13:01:40,564 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-09 13:01:40,565 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-09 13:01:40,565 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-09 13:01:40,565 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-09 13:01:40,565 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-09 13:01:40,578 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-09 13:01:40,581 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 68 transitions, 151 flow [2020-10-09 13:01:40,583 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 68 transitions, 151 flow [2020-10-09 13:01:40,585 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 76 places, 68 transitions, 151 flow [2020-10-09 13:01:40,630 INFO L129 PetriNetUnfolder]: 2/65 cut-off events. [2020-10-09 13:01:40,631 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-09 13:01:40,636 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 65 events. 2/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 52 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-09 13:01:40,638 INFO L117 LiptonReduction]: Number of co-enabled transitions 1260 [2020-10-09 13:01:41,861 INFO L132 LiptonReduction]: Checked pairs total: 2318 [2020-10-09 13:01:41,862 INFO L134 LiptonReduction]: Total number of compositions: 56 [2020-10-09 13:01:41,868 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-09 13:01:41,897 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-09 13:01:41,899 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-09 13:01:41,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-09 13:01:41,906 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:01:41,907 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:01:41,907 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:01:41,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:01:41,913 INFO L82 PathProgramCache]: Analyzing trace with hash -346907981, now seen corresponding path program 1 times [2020-10-09 13:01:41,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:01:41,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336854095] [2020-10-09 13:01:41,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:01:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:01:42,095 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:01:42,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336854095] [2020-10-09 13:01:42,097 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:01:42,097 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 13:01:42,098 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112053095] [2020-10-09 13:01:42,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-09 13:01:42,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:01:42,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-09 13:01:42,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 13:01:42,119 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-09 13:01:42,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:01:42,161 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-09 13:01:42,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-09 13:01:42,163 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-09 13:01:42,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:01:42,192 INFO L225 Difference]: With dead ends: 362 [2020-10-09 13:01:42,193 INFO L226 Difference]: Without dead ends: 298 [2020-10-09 13:01:42,194 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-09 13:01:42,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-09 13:01:42,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-09 13:01:42,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-09 13:01:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-09 13:01:42,267 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-09 13:01:42,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:01:42,268 INFO L481 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-09 13:01:42,268 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-09 13:01:42,268 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-09 13:01:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-09 13:01:42,270 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:01:42,270 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:01:42,270 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-09 13:01:42,270 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:01:42,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:01:42,271 INFO L82 PathProgramCache]: Analyzing trace with hash 2130750683, now seen corresponding path program 1 times [2020-10-09 13:01:42,271 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:01:42,271 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310330431] [2020-10-09 13:01:42,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:01:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:01:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:01:42,340 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310330431] [2020-10-09 13:01:42,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:01:42,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-09 13:01:42,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [539773189] [2020-10-09 13:01:42,343 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-09 13:01:42,343 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:01:42,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-09 13:01:42,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:01:42,344 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 3 states. [2020-10-09 13:01:42,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:01:42,370 INFO L93 Difference]: Finished difference Result 217 states and 540 transitions. [2020-10-09 13:01:42,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-09 13:01:42,371 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2020-10-09 13:01:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:01:42,374 INFO L225 Difference]: With dead ends: 217 [2020-10-09 13:01:42,375 INFO L226 Difference]: Without dead ends: 217 [2020-10-09 13:01:42,377 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-09 13:01:42,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2020-10-09 13:01:42,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2020-10-09 13:01:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2020-10-09 13:01:42,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 540 transitions. [2020-10-09 13:01:42,406 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 540 transitions. Word has length 9 [2020-10-09 13:01:42,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:01:42,407 INFO L481 AbstractCegarLoop]: Abstraction has 217 states and 540 transitions. [2020-10-09 13:01:42,407 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-09 13:01:42,407 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 540 transitions. [2020-10-09 13:01:42,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-09 13:01:42,409 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:01:42,409 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:01:42,409 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-09 13:01:42,409 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:01:42,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:01:42,410 INFO L82 PathProgramCache]: Analyzing trace with hash 1087116204, now seen corresponding path program 1 times [2020-10-09 13:01:42,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:01:42,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442257728] [2020-10-09 13:01:42,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:01:42,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:01:42,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:01:42,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442257728] [2020-10-09 13:01:42,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:01:42,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:01:42,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1969064752] [2020-10-09 13:01:42,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 13:01:42,480 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:01:42,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 13:01:42,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:01:42,481 INFO L87 Difference]: Start difference. First operand 217 states and 540 transitions. Second operand 4 states. [2020-10-09 13:01:42,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:01:42,509 INFO L93 Difference]: Finished difference Result 136 states and 297 transitions. [2020-10-09 13:01:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 13:01:42,509 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2020-10-09 13:01:42,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:01:42,511 INFO L225 Difference]: With dead ends: 136 [2020-10-09 13:01:42,511 INFO L226 Difference]: Without dead ends: 136 [2020-10-09 13:01:42,512 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:01:42,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-09 13:01:42,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2020-10-09 13:01:42,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-10-09 13:01:42,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 297 transitions. [2020-10-09 13:01:42,520 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 297 transitions. Word has length 12 [2020-10-09 13:01:42,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:01:42,521 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 297 transitions. [2020-10-09 13:01:42,521 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 13:01:42,521 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 297 transitions. [2020-10-09 13:01:42,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-10-09 13:01:42,523 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:01:42,523 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:01:42,523 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-09 13:01:42,523 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:01:42,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:01:42,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1427017344, now seen corresponding path program 1 times [2020-10-09 13:01:42,524 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:01:42,524 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35279163] [2020-10-09 13:01:42,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:01:42,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:01:42,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:01:42,609 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35279163] [2020-10-09 13:01:42,609 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:01:42,609 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-09 13:01:42,609 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847242928] [2020-10-09 13:01:42,611 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-09 13:01:42,611 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:01:42,611 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-09 13:01:42,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:01:42,612 INFO L87 Difference]: Start difference. First operand 136 states and 297 transitions. Second operand 5 states. [2020-10-09 13:01:42,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:01:42,645 INFO L93 Difference]: Finished difference Result 109 states and 243 transitions. [2020-10-09 13:01:42,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-09 13:01:42,646 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-10-09 13:01:42,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:01:42,647 INFO L225 Difference]: With dead ends: 109 [2020-10-09 13:01:42,647 INFO L226 Difference]: Without dead ends: 109 [2020-10-09 13:01:42,648 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:01:42,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-10-09 13:01:42,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-10-09 13:01:42,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-10-09 13:01:42,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 243 transitions. [2020-10-09 13:01:42,655 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 243 transitions. Word has length 15 [2020-10-09 13:01:42,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:01:42,655 INFO L481 AbstractCegarLoop]: Abstraction has 109 states and 243 transitions. [2020-10-09 13:01:42,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-09 13:01:42,656 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 243 transitions. [2020-10-09 13:01:42,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:01:42,662 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:01:42,663 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:01:42,663 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-09 13:01:42,663 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:01:42,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:01:42,664 INFO L82 PathProgramCache]: Analyzing trace with hash 68730238, now seen corresponding path program 1 times [2020-10-09 13:01:42,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:01:42,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330289311] [2020-10-09 13:01:42,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:01:42,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:01:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:01:42,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330289311] [2020-10-09 13:01:42,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:01:42,748 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:01:42,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171727691] [2020-10-09 13:01:42,749 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 13:01:42,749 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:01:42,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 13:01:42,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:01:42,750 INFO L87 Difference]: Start difference. First operand 109 states and 243 transitions. Second operand 4 states. [2020-10-09 13:01:42,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:01:42,786 INFO L93 Difference]: Finished difference Result 135 states and 291 transitions. [2020-10-09 13:01:42,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 13:01:42,787 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-09 13:01:42,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:01:42,787 INFO L225 Difference]: With dead ends: 135 [2020-10-09 13:01:42,788 INFO L226 Difference]: Without dead ends: 55 [2020-10-09 13:01:42,790 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:01:42,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-10-09 13:01:42,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-10-09 13:01:42,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-10-09 13:01:42,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 99 transitions. [2020-10-09 13:01:42,793 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 99 transitions. Word has length 18 [2020-10-09 13:01:42,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:01:42,793 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 99 transitions. [2020-10-09 13:01:42,794 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 13:01:42,794 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 99 transitions. [2020-10-09 13:01:42,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:01:42,794 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:01:42,795 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:01:42,795 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-09 13:01:42,795 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:01:42,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:01:42,795 INFO L82 PathProgramCache]: Analyzing trace with hash 909729134, now seen corresponding path program 2 times [2020-10-09 13:01:42,796 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:01:42,796 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435816456] [2020-10-09 13:01:42,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:01:42,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:01:42,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:01:42,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435816456] [2020-10-09 13:01:42,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:01:42,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:01:42,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1676785059] [2020-10-09 13:01:42,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 13:01:42,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:01:42,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 13:01:42,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:01:42,851 INFO L87 Difference]: Start difference. First operand 55 states and 99 transitions. Second operand 4 states. [2020-10-09 13:01:42,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:01:42,866 INFO L93 Difference]: Finished difference Result 75 states and 132 transitions. [2020-10-09 13:01:42,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 13:01:42,867 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-09 13:01:42,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:01:42,868 INFO L225 Difference]: With dead ends: 75 [2020-10-09 13:01:42,868 INFO L226 Difference]: Without dead ends: 37 [2020-10-09 13:01:42,868 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:01:42,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-10-09 13:01:42,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-10-09 13:01:42,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-10-09 13:01:42,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 57 transitions. [2020-10-09 13:01:42,870 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 57 transitions. Word has length 18 [2020-10-09 13:01:42,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:01:42,871 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 57 transitions. [2020-10-09 13:01:42,871 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 13:01:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 57 transitions. [2020-10-09 13:01:42,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-10-09 13:01:42,872 INFO L413 BasicCegarLoop]: Found error trace [2020-10-09 13:01:42,872 INFO L421 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-09 13:01:42,872 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-09 13:01:42,872 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-09 13:01:42,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-09 13:01:42,873 INFO L82 PathProgramCache]: Analyzing trace with hash -1816005352, now seen corresponding path program 3 times [2020-10-09 13:01:42,873 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-09 13:01:42,873 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597902452] [2020-10-09 13:01:42,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-09 13:01:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-09 13:01:42,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-09 13:01:42,930 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597902452] [2020-10-09 13:01:42,930 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-09 13:01:42,930 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-09 13:01:42,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774031096] [2020-10-09 13:01:42,931 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-09 13:01:42,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-09 13:01:42,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-09 13:01:42,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-09 13:01:42,932 INFO L87 Difference]: Start difference. First operand 37 states and 57 transitions. Second operand 4 states. [2020-10-09 13:01:42,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-09 13:01:42,943 INFO L93 Difference]: Finished difference Result 36 states and 56 transitions. [2020-10-09 13:01:42,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-09 13:01:42,943 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 18 [2020-10-09 13:01:42,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-09 13:01:42,944 INFO L225 Difference]: With dead ends: 36 [2020-10-09 13:01:42,944 INFO L226 Difference]: Without dead ends: 0 [2020-10-09 13:01:42,944 INFO L673 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-09 13:01:42,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-09 13:01:42,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-09 13:01:42,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-09 13:01:42,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-09 13:01:42,945 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2020-10-09 13:01:42,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-09 13:01:42,946 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-09 13:01:42,946 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-09 13:01:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-09 13:01:42,946 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-09 13:01:42,946 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-09 13:01:42,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.10 01:01:42 BasicIcfg [2020-10-09 13:01:42,950 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-09 13:01:42,952 INFO L168 Benchmark]: Toolchain (without parser) took 3645.40 ms. Allocated memory was 248.0 MB in the beginning and 367.0 MB in the end (delta: 119.0 MB). Free memory was 203.1 MB in the beginning and 311.5 MB in the end (delta: -108.4 MB). Peak memory consumption was 10.6 MB. Max. memory is 14.2 GB. [2020-10-09 13:01:42,953 INFO L168 Benchmark]: CDTParser took 1.14 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 13:01:42,954 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.49 ms. Allocated memory was 248.0 MB in the beginning and 305.1 MB in the end (delta: 57.1 MB). Free memory was 203.1 MB in the beginning and 255.9 MB in the end (delta: -52.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 14.2 GB. [2020-10-09 13:01:42,954 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.68 ms. Allocated memory is still 305.1 MB. Free memory was 255.9 MB in the beginning and 253.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 13:01:42,955 INFO L168 Benchmark]: Boogie Preprocessor took 28.54 ms. Allocated memory is still 305.1 MB. Free memory was 253.4 MB in the beginning and 250.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-09 13:01:42,956 INFO L168 Benchmark]: RCFGBuilder took 380.73 ms. Allocated memory is still 305.1 MB. Free memory was 250.9 MB in the beginning and 229.1 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. [2020-10-09 13:01:42,957 INFO L168 Benchmark]: TraceAbstraction took 2514.06 ms. Allocated memory was 305.1 MB in the beginning and 367.0 MB in the end (delta: 61.9 MB). Free memory was 229.1 MB in the beginning and 311.5 MB in the end (delta: -82.5 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-09 13:01:42,960 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.14 ms. Allocated memory is still 248.0 MB. Free memory is still 224.4 MB. There was no memory consumed. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 675.49 ms. Allocated memory was 248.0 MB in the beginning and 305.1 MB in the end (delta: 57.1 MB). Free memory was 203.1 MB in the beginning and 255.9 MB in the end (delta: -52.8 MB). Peak memory consumption was 27.1 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 41.68 ms. Allocated memory is still 305.1 MB. Free memory was 255.9 MB in the beginning and 253.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 28.54 ms. Allocated memory is still 305.1 MB. Free memory was 253.4 MB in the beginning and 250.9 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * RCFGBuilder took 380.73 ms. Allocated memory is still 305.1 MB. Free memory was 250.9 MB in the beginning and 229.1 MB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2514.06 ms. Allocated memory was 305.1 MB in the beginning and 367.0 MB in the end (delta: 61.9 MB). Free memory was 229.1 MB in the beginning and 311.5 MB in the end (delta: -82.5 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 839 VarBasedMoverChecksPositive, 42 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 33 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 69 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 76 PlacesBefore, 32 PlacesAfterwards, 68 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 5 FixpointIterations, 12 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 9 ConcurrentYvCompositions, 1 ChoiceCompositions, 56 TotalNumberOfCompositions, 2318 MoverChecksTotal - PositiveResult [Line: 7]: 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 4 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.3s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 130 SDtfs, 72 SDslu, 159 SDs, 0 SdLazy, 49 SolverSat, 9 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred 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: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 2522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...