/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/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c7e336b [2020-10-05 23:38:42,382 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-05 23:38:42,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-05 23:38:42,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-05 23:38:42,429 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-05 23:38:42,441 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-05 23:38:42,442 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-05 23:38:42,445 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-05 23:38:42,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-05 23:38:42,451 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-05 23:38:42,452 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-05 23:38:42,455 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-05 23:38:42,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-05 23:38:42,458 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-05 23:38:42,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-05 23:38:42,462 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-05 23:38:42,464 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-05 23:38:42,465 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-05 23:38:42,467 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-05 23:38:42,475 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-05 23:38:42,478 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-05 23:38:42,479 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-05 23:38:42,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-05 23:38:42,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-05 23:38:42,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-05 23:38:42,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-05 23:38:42,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-05 23:38:42,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-05 23:38:42,490 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-05 23:38:42,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-05 23:38:42,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-05 23:38:42,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-05 23:38:42,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-05 23:38:42,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-05 23:38:42,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-05 23:38:42,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-05 23:38:42,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-05 23:38:42,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-05 23:38:42,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-05 23:38:42,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-05 23:38:42,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-05 23:38:42,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA.epf [2020-10-05 23:38:42,549 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-05 23:38:42,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-05 23:38:42,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-05 23:38:42,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-05 23:38:42,552 INFO L138 SettingsManager]: * Use SBE=true [2020-10-05 23:38:42,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-05 23:38:42,552 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-05 23:38:42,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-05 23:38:42,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-05 23:38:42,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-05 23:38:42,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-05 23:38:42,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-05 23:38:42,555 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-05 23:38:42,555 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-05 23:38:42,555 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-05 23:38:42,555 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-05 23:38:42,556 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-05 23:38:42,556 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-05 23:38:42,556 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-05 23:38:42,556 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-05 23:38:42,556 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-05 23:38:42,557 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-05 23:38:42,557 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-05 23:38:42,557 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-05 23:38:42,557 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-05 23:38:42,557 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-05 23:38:42,558 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-05 23:38:42,558 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-05 23:38:42,558 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-05 23:38:42,850 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-05 23:38:42,867 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-05 23:38:42,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-05 23:38:42,873 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-05 23:38:42,874 INFO L275 PluginConnector]: CDTParser initialized [2020-10-05 23:38:42,874 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe007_tso.opt.i [2020-10-05 23:38:42,959 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31e562f8/df6f0d799a3441069383bc40cc7a8437/FLAG813cb0c2a [2020-10-05 23:38:43,571 INFO L306 CDTParser]: Found 1 translation units. [2020-10-05 23:38:43,574 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe007_tso.opt.i [2020-10-05 23:38:43,590 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31e562f8/df6f0d799a3441069383bc40cc7a8437/FLAG813cb0c2a [2020-10-05 23:38:43,795 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d31e562f8/df6f0d799a3441069383bc40cc7a8437 [2020-10-05 23:38:43,804 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-05 23:38:43,806 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-05 23:38:43,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-05 23:38:43,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-05 23:38:43,811 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-05 23:38:43,812 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:38:43" (1/1) ... [2020-10-05 23:38:43,815 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@230290f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:43, skipping insertion in model container [2020-10-05 23:38:43,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.10 11:38:43" (1/1) ... [2020-10-05 23:38:43,824 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-05 23:38:43,870 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-05 23:38:44,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:38:44,451 INFO L203 MainTranslator]: Completed pre-run [2020-10-05 23:38:44,528 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-05 23:38:44,602 INFO L208 MainTranslator]: Completed translation [2020-10-05 23:38:44,602 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44 WrapperNode [2020-10-05 23:38:44,602 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-05 23:38:44,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-05 23:38:44,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-05 23:38:44,604 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-05 23:38:44,613 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (1/1) ... [2020-10-05 23:38:44,629 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (1/1) ... [2020-10-05 23:38:44,650 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-05 23:38:44,651 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-05 23:38:44,651 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-05 23:38:44,651 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-05 23:38:44,661 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (1/1) ... [2020-10-05 23:38:44,661 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (1/1) ... [2020-10-05 23:38:44,664 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (1/1) ... [2020-10-05 23:38:44,665 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (1/1) ... [2020-10-05 23:38:44,671 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (1/1) ... [2020-10-05 23:38:44,674 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (1/1) ... [2020-10-05 23:38:44,676 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (1/1) ... [2020-10-05 23:38:44,679 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-05 23:38:44,679 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-05 23:38:44,679 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-05 23:38:44,679 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-05 23:38:44,680 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (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 [2020-10-05 23:38:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-05 23:38:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-05 23:38:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-05 23:38:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-05 23:38:44,753 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-05 23:38:44,753 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-05 23:38:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-05 23:38:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-05 23:38:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-10-05 23:38:44,759 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-10-05 23:38:44,759 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-05 23:38:44,760 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-05 23:38:44,760 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-05 23:38:44,762 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-05 23:38:45,144 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-05 23:38:45,144 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-05 23:38:45,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:38:45 BoogieIcfgContainer [2020-10-05 23:38:45,147 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-05 23:38:45,148 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-05 23:38:45,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-05 23:38:45,152 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-05 23:38:45,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.10 11:38:43" (1/3) ... [2020-10-05 23:38:45,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d436ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:38:45, skipping insertion in model container [2020-10-05 23:38:45,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.10 11:38:44" (2/3) ... [2020-10-05 23:38:45,154 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d436ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.10 11:38:45, skipping insertion in model container [2020-10-05 23:38:45,154 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.10 11:38:45" (3/3) ... [2020-10-05 23:38:45,156 INFO L109 eAbstractionObserver]: Analyzing ICFG safe007_tso.opt.i [2020-10-05 23:38:45,168 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-05 23:38:45,168 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-05 23:38:45,177 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-05 23:38:45,178 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-05 23:38:45,205 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,206 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,206 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,206 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,207 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,208 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,208 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,208 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,208 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,209 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,210 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,210 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,210 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,211 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,211 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,215 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,216 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,216 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,216 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,225 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,225 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,226 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,226 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,229 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,229 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,229 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,230 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-05 23:38:45,247 INFO L251 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-05 23:38:45,267 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-05 23:38:45,267 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-05 23:38:45,267 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-05 23:38:45,267 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-05 23:38:45,268 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-05 23:38:45,268 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-05 23:38:45,268 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-05 23:38:45,268 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-05 23:38:45,283 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 71 transitions, 157 flow [2020-10-05 23:38:45,285 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-05 23:38:45,329 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-05 23:38:45,329 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:38:45,335 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 23:38:45,338 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 71 transitions, 157 flow [2020-10-05 23:38:45,359 INFO L129 PetriNetUnfolder]: 2/68 cut-off events. [2020-10-05 23:38:45,359 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-05 23:38:45,360 INFO L80 FinitePrefix]: Finished finitePrefix Result has 78 conditions, 68 events. 2/68 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-10-05 23:38:45,362 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 1260 [2020-10-05 23:38:45,363 INFO L182 etLargeBlockEncoding]: Variable Check. [2020-10-05 23:38:46,493 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2020-10-05 23:38:46,610 INFO L206 etLargeBlockEncoding]: Checked pairs total: 2463 [2020-10-05 23:38:46,610 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2020-10-05 23:38:46,614 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 32 places, 23 transitions, 61 flow [2020-10-05 23:38:46,642 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 362 states. [2020-10-05 23:38:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states. [2020-10-05 23:38:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-05 23:38:46,652 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:38:46,653 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:38:46,653 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:38:46,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:38:46,659 INFO L82 PathProgramCache]: Analyzing trace with hash -691335731, now seen corresponding path program 1 times [2020-10-05 23:38:46,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:38:46,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144711705] [2020-10-05 23:38:46,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:38:46,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:38:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:38:46,847 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144711705] [2020-10-05 23:38:46,848 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:38:46,848 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:38:46,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232777228] [2020-10-05 23:38:46,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-05 23:38:46,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:38:46,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-05 23:38:46,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-05 23:38:46,872 INFO L87 Difference]: Start difference. First operand 362 states. Second operand 2 states. [2020-10-05 23:38:46,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:38:46,907 INFO L93 Difference]: Finished difference Result 362 states and 1072 transitions. [2020-10-05 23:38:46,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-05 23:38:46,909 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2020-10-05 23:38:46,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:38:46,927 INFO L225 Difference]: With dead ends: 362 [2020-10-05 23:38:46,927 INFO L226 Difference]: Without dead ends: 298 [2020-10-05 23:38:46,929 INFO L675 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 [2020-10-05 23:38:46,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2020-10-05 23:38:46,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 298. [2020-10-05 23:38:46,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-10-05 23:38:47,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 864 transitions. [2020-10-05 23:38:47,007 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 864 transitions. Word has length 8 [2020-10-05 23:38:47,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:38:47,008 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 864 transitions. [2020-10-05 23:38:47,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-05 23:38:47,009 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 864 transitions. [2020-10-05 23:38:47,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-05 23:38:47,010 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:38:47,011 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:38:47,011 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-05 23:38:47,011 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:38:47,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:38:47,012 INFO L82 PathProgramCache]: Analyzing trace with hash 43425274, now seen corresponding path program 1 times [2020-10-05 23:38:47,012 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:38:47,012 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [529988508] [2020-10-05 23:38:47,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:38:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:38:47,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:38:47,194 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [529988508] [2020-10-05 23:38:47,194 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:38:47,194 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:38:47,195 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1682536320] [2020-10-05 23:38:47,196 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:38:47,197 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:38:47,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:38:47,197 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:38:47,197 INFO L87 Difference]: Start difference. First operand 298 states and 864 transitions. Second operand 4 states. [2020-10-05 23:38:47,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:38:47,234 INFO L93 Difference]: Finished difference Result 330 states and 912 transitions. [2020-10-05 23:38:47,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:38:47,235 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-05 23:38:47,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:38:47,239 INFO L225 Difference]: With dead ends: 330 [2020-10-05 23:38:47,239 INFO L226 Difference]: Without dead ends: 266 [2020-10-05 23:38:47,240 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:38:47,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-10-05 23:38:47,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2020-10-05 23:38:47,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2020-10-05 23:38:47,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 752 transitions. [2020-10-05 23:38:47,263 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 752 transitions. Word has length 9 [2020-10-05 23:38:47,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:38:47,264 INFO L479 AbstractCegarLoop]: Abstraction has 266 states and 752 transitions. [2020-10-05 23:38:47,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:38:47,264 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 752 transitions. [2020-10-05 23:38:47,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-05 23:38:47,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:38:47,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:38:47,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-05 23:38:47,267 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:38:47,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:38:47,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1345064228, now seen corresponding path program 1 times [2020-10-05 23:38:47,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:38:47,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1789698588] [2020-10-05 23:38:47,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:38:47,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:38:47,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:38:47,376 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1789698588] [2020-10-05 23:38:47,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:38:47,377 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:38:47,377 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016966067] [2020-10-05 23:38:47,377 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:38:47,378 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:38:47,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:38:47,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:38:47,378 INFO L87 Difference]: Start difference. First operand 266 states and 752 transitions. Second operand 5 states. [2020-10-05 23:38:47,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:38:47,451 INFO L93 Difference]: Finished difference Result 290 states and 786 transitions. [2020-10-05 23:38:47,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-05 23:38:47,452 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 10 [2020-10-05 23:38:47,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:38:47,455 INFO L225 Difference]: With dead ends: 290 [2020-10-05 23:38:47,455 INFO L226 Difference]: Without dead ends: 242 [2020-10-05 23:38:47,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-05 23:38:47,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2020-10-05 23:38:47,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 242. [2020-10-05 23:38:47,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-10-05 23:38:47,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 670 transitions. [2020-10-05 23:38:47,473 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 670 transitions. Word has length 10 [2020-10-05 23:38:47,473 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:38:47,473 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 670 transitions. [2020-10-05 23:38:47,473 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:38:47,473 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 670 transitions. [2020-10-05 23:38:47,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-05 23:38:47,475 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:38:47,475 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:38:47,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-05 23:38:47,476 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:38:47,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:38:47,476 INFO L82 PathProgramCache]: Analyzing trace with hash 1654538757, now seen corresponding path program 1 times [2020-10-05 23:38:47,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:38:47,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [100056994] [2020-10-05 23:38:47,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:38:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:38:47,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:38:47,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [100056994] [2020-10-05 23:38:47,585 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:38:47,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-05 23:38:47,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [9909000] [2020-10-05 23:38:47,586 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-05 23:38:47,586 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:38:47,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-05 23:38:47,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-05 23:38:47,587 INFO L87 Difference]: Start difference. First operand 242 states and 670 transitions. Second operand 4 states. [2020-10-05 23:38:47,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:38:47,615 INFO L93 Difference]: Finished difference Result 260 states and 694 transitions. [2020-10-05 23:38:47,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-05 23:38:47,616 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2020-10-05 23:38:47,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:38:47,618 INFO L225 Difference]: With dead ends: 260 [2020-10-05 23:38:47,618 INFO L226 Difference]: Without dead ends: 224 [2020-10-05 23:38:47,619 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:38:47,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2020-10-05 23:38:47,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2020-10-05 23:38:47,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-10-05 23:38:47,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 610 transitions. [2020-10-05 23:38:47,640 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 610 transitions. Word has length 11 [2020-10-05 23:38:47,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:38:47,641 INFO L479 AbstractCegarLoop]: Abstraction has 224 states and 610 transitions. [2020-10-05 23:38:47,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-05 23:38:47,642 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 610 transitions. [2020-10-05 23:38:47,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2020-10-05 23:38:47,647 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:38:47,649 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:38:47,649 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-05 23:38:47,649 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:38:47,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:38:47,649 INFO L82 PathProgramCache]: Analyzing trace with hash 368404844, now seen corresponding path program 1 times [2020-10-05 23:38:47,650 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:38:47,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939382292] [2020-10-05 23:38:47,651 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:38:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:38:47,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:38:47,745 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [939382292] [2020-10-05 23:38:47,745 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:38:47,745 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:38:47,746 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1225551271] [2020-10-05 23:38:47,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:38:47,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:38:47,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:38:47,748 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:38:47,749 INFO L87 Difference]: Start difference. First operand 224 states and 610 transitions. Second operand 5 states. [2020-10-05 23:38:47,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:38:47,812 INFO L93 Difference]: Finished difference Result 293 states and 773 transitions. [2020-10-05 23:38:47,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:38:47,813 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 12 [2020-10-05 23:38:47,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:38:47,817 INFO L225 Difference]: With dead ends: 293 [2020-10-05 23:38:47,818 INFO L226 Difference]: Without dead ends: 146 [2020-10-05 23:38:47,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:38:47,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-05 23:38:47,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2020-10-05 23:38:47,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2020-10-05 23:38:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 358 transitions. [2020-10-05 23:38:47,833 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 358 transitions. Word has length 12 [2020-10-05 23:38:47,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:38:47,833 INFO L479 AbstractCegarLoop]: Abstraction has 146 states and 358 transitions. [2020-10-05 23:38:47,833 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:38:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 358 transitions. [2020-10-05 23:38:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-10-05 23:38:47,835 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:38:47,835 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:38:47,835 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-05 23:38:47,837 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:38:47,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:38:47,837 INFO L82 PathProgramCache]: Analyzing trace with hash 257080554, now seen corresponding path program 1 times [2020-10-05 23:38:47,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:38:47,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144032588] [2020-10-05 23:38:47,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:38:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:38:47,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:38:47,929 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144032588] [2020-10-05 23:38:47,929 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:38:47,929 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:38:47,930 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295268965] [2020-10-05 23:38:47,930 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:38:47,930 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:38:47,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:38:47,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:38:47,931 INFO L87 Difference]: Start difference. First operand 146 states and 358 transitions. Second operand 5 states. [2020-10-05 23:38:47,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:38:47,974 INFO L93 Difference]: Finished difference Result 188 states and 451 transitions. [2020-10-05 23:38:47,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:38:47,974 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-10-05 23:38:47,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:38:47,975 INFO L225 Difference]: With dead ends: 188 [2020-10-05 23:38:47,975 INFO L226 Difference]: Without dead ends: 74 [2020-10-05 23:38:47,976 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:38:47,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-10-05 23:38:47,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2020-10-05 23:38:47,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-10-05 23:38:47,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 164 transitions. [2020-10-05 23:38:47,979 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 164 transitions. Word has length 13 [2020-10-05 23:38:47,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:38:47,979 INFO L479 AbstractCegarLoop]: Abstraction has 74 states and 164 transitions. [2020-10-05 23:38:47,980 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:38:47,980 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 164 transitions. [2020-10-05 23:38:47,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-10-05 23:38:47,980 INFO L414 BasicCegarLoop]: Found error trace [2020-10-05 23:38:47,980 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-05 23:38:47,981 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-05 23:38:47,981 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-05 23:38:47,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-05 23:38:47,981 INFO L82 PathProgramCache]: Analyzing trace with hash -2118870046, now seen corresponding path program 1 times [2020-10-05 23:38:47,981 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-05 23:38:47,982 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570825362] [2020-10-05 23:38:47,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-05 23:38:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-05 23:38:48,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-05 23:38:48,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570825362] [2020-10-05 23:38:48,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-05 23:38:48,034 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-05 23:38:48,034 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243090618] [2020-10-05 23:38:48,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-05 23:38:48,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-05 23:38:48,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-05 23:38:48,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-10-05 23:38:48,035 INFO L87 Difference]: Start difference. First operand 74 states and 164 transitions. Second operand 5 states. [2020-10-05 23:38:48,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-05 23:38:48,077 INFO L93 Difference]: Finished difference Result 62 states and 132 transitions. [2020-10-05 23:38:48,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-05 23:38:48,078 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-10-05 23:38:48,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-05 23:38:48,078 INFO L225 Difference]: With dead ends: 62 [2020-10-05 23:38:48,078 INFO L226 Difference]: Without dead ends: 0 [2020-10-05 23:38:48,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-05 23:38:48,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-05 23:38:48,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-05 23:38:48,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-05 23:38:48,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-05 23:38:48,080 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2020-10-05 23:38:48,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-05 23:38:48,080 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-05 23:38:48,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-05 23:38:48,080 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-05 23:38:48,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-05 23:38:48,081 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-05 23:38:48,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.10 11:38:48 BasicIcfg [2020-10-05 23:38:48,096 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-05 23:38:48,098 INFO L168 Benchmark]: Toolchain (without parser) took 4291.80 ms. Allocated memory was 140.5 MB in the beginning and 248.0 MB in the end (delta: 107.5 MB). Free memory was 101.7 MB in the beginning and 214.9 MB in the end (delta: -113.1 MB). Peak memory consumption was 116.6 MB. Max. memory is 7.1 GB. [2020-10-05 23:38:48,098 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2020-10-05 23:38:48,099 INFO L168 Benchmark]: CACSL2BoogieTranslator took 795.30 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 161.6 MB in the end (delta: -60.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2020-10-05 23:38:48,100 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.51 ms. Allocated memory is still 203.9 MB. Free memory was 161.6 MB in the beginning and 159.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2020-10-05 23:38:48,101 INFO L168 Benchmark]: Boogie Preprocessor took 27.84 ms. Allocated memory is still 203.9 MB. Free memory was 159.5 MB in the beginning and 158.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:38:48,101 INFO L168 Benchmark]: RCFGBuilder took 467.97 ms. Allocated memory is still 203.9 MB. Free memory was 157.6 MB in the beginning and 135.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-05 23:38:48,102 INFO L168 Benchmark]: TraceAbstraction took 2947.56 ms. Allocated memory was 203.9 MB in the beginning and 248.0 MB in the end (delta: 44.0 MB). Free memory was 135.3 MB in the beginning and 214.9 MB in the end (delta: -79.6 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. [2020-10-05 23:38:48,106 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 795.30 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 161.6 MB in the end (delta: -60.3 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 47.51 ms. Allocated memory is still 203.9 MB. Free memory was 161.6 MB in the beginning and 159.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 27.84 ms. Allocated memory is still 203.9 MB. Free memory was 159.5 MB in the beginning and 158.3 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 467.97 ms. Allocated memory is still 203.9 MB. Free memory was 157.6 MB in the beginning and 135.3 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2947.56 ms. Allocated memory was 203.9 MB in the beginning and 248.0 MB in the end (delta: 44.0 MB). Free memory was 135.3 MB in the beginning and 214.9 MB in the end (delta: -79.6 MB). Peak memory consumption was 86.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.3s, 79 ProgramPointsBefore, 32 ProgramPointsAfterwards, 71 TransitionsBefore, 23 TransitionsAfterwards, 1260 CoEnabledTransitionPairs, 6 FixpointIterations, 15 TrivialSequentialCompositions, 32 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 668 VarBasedMoverChecksPositive, 20 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 2463 CheckedPairsTotal, 57 TotalNumberOfCompositions - 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, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.8s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.3s, HoareTripleCheckerStatistics: 151 SDtfs, 166 SDslu, 227 SDs, 0 SdLazy, 66 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s 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, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 70 ConstructedInterpolants, 0 QuantifiedInterpolants, 2725 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...