/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-McrAutomaton-WP.epf -i ../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-b09bf87 [2020-10-16 13:50:54,187 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 13:50:54,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 13:50:54,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 13:50:54,213 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 13:50:54,214 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 13:50:54,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 13:50:54,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 13:50:54,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 13:50:54,219 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 13:50:54,220 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 13:50:54,221 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 13:50:54,222 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 13:50:54,222 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 13:50:54,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 13:50:54,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 13:50:54,225 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 13:50:54,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 13:50:54,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 13:50:54,230 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 13:50:54,231 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 13:50:54,232 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 13:50:54,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 13:50:54,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 13:50:54,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 13:50:54,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 13:50:54,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 13:50:54,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 13:50:54,241 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 13:50:54,242 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 13:50:54,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 13:50:54,243 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 13:50:54,244 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 13:50:54,244 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 13:50:54,245 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 13:50:54,245 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 13:50:54,246 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 13:50:54,246 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 13:50:54,247 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 13:50:54,247 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 13:50:54,248 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 13:50:54,249 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/mcr/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-McrAutomaton-WP.epf [2020-10-16 13:50:54,272 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 13:50:54,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 13:50:54,273 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 13:50:54,273 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 13:50:54,274 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 13:50:54,274 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 13:50:54,274 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 13:50:54,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 13:50:54,274 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 13:50:54,274 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 13:50:54,275 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 13:50:54,275 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 13:50:54,275 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 13:50:54,275 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 13:50:54,275 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 13:50:54,276 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 13:50:54,276 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 13:50:54,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 13:50:54,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 13:50:54,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 13:50:54,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 13:50:54,277 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 13:50:54,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 13:50:54,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2020-10-16 13:50:54,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 13:50:54,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 13:50:54,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 13:50:54,278 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2020-10-16 13:50:54,278 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2020-10-16 13:50:54,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-16 13:50:54,278 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2020-10-16 13:50:54,596 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 13:50:54,617 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 13:50:54,620 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 13:50:54,622 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 13:50:54,622 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 13:50:54,623 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin000_pso.oepc.i [2020-10-16 13:50:54,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/478044b17/1fff2e25c3b649ec9e827a4b62033d1b/FLAG7ff047765 [2020-10-16 13:50:55,179 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 13:50:55,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/pthread-wmm/thin000_pso.oepc.i [2020-10-16 13:50:55,197 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/478044b17/1fff2e25c3b649ec9e827a4b62033d1b/FLAG7ff047765 [2020-10-16 13:50:55,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/478044b17/1fff2e25c3b649ec9e827a4b62033d1b [2020-10-16 13:50:55,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 13:50:55,501 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 13:50:55,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 13:50:55,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 13:50:55,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 13:50:55,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:50:55" (1/1) ... [2020-10-16 13:50:55,510 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7da67bf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:55, skipping insertion in model container [2020-10-16 13:50:55,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 01:50:55" (1/1) ... [2020-10-16 13:50:55,518 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 13:50:55,557 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 13:50:56,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:50:56,090 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 13:50:56,169 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 13:50:56,243 INFO L208 MainTranslator]: Completed translation [2020-10-16 13:50:56,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56 WrapperNode [2020-10-16 13:50:56,244 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 13:50:56,245 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 13:50:56,245 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 13:50:56,245 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 13:50:56,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... [2020-10-16 13:50:56,286 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... [2020-10-16 13:50:56,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 13:50:56,312 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 13:50:56,312 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 13:50:56,312 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 13:50:56,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... [2020-10-16 13:50:56,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... [2020-10-16 13:50:56,324 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... [2020-10-16 13:50:56,325 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... [2020-10-16 13:50:56,331 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... [2020-10-16 13:50:56,333 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... [2020-10-16 13:50:56,335 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... [2020-10-16 13:50:56,337 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 13:50:56,338 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 13:50:56,338 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 13:50:56,338 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 13:50:56,339 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-10-16 13:50:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 13:50:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-16 13:50:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 13:50:56,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 13:50:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-10-16 13:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-10-16 13:50:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-10-16 13:50:56,406 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-10-16 13:50:56,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-16 13:50:56,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 13:50:56,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 13:50:56,408 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 13:50:56,701 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 13:50:56,702 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 13:50:56,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:50:56 BoogieIcfgContainer [2020-10-16 13:50:56,704 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 13:50:56,706 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 13:50:56,706 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 13:50:56,710 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 13:50:56,710 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 01:50:55" (1/3) ... [2020-10-16 13:50:56,711 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47da01e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:50:56, skipping insertion in model container [2020-10-16 13:50:56,711 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 01:50:56" (2/3) ... [2020-10-16 13:50:56,712 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47da01e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 01:50:56, skipping insertion in model container [2020-10-16 13:50:56,713 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 01:50:56" (3/3) ... [2020-10-16 13:50:56,715 INFO L111 eAbstractionObserver]: Analyzing ICFG thin000_pso.oepc.i [2020-10-16 13:50:56,730 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-16 13:50:56,730 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-16 13:50:56,739 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 13:50:56,740 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 13:50:56,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,772 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,772 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,773 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,773 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,774 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,774 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,775 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,775 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,775 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,776 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,780 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,780 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,781 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,788 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,788 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,788 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,789 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 13:50:56,791 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-16 13:50:56,806 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 13:50:56,829 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 13:50:56,830 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-16 13:50:56,830 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-16 13:50:56,830 INFO L380 AbstractCegarLoop]: Backedges is MCR [2020-10-16 13:50:56,830 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 13:50:56,831 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 13:50:56,831 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 13:50:56,831 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 13:50:56,844 INFO L137 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2020-10-16 13:50:56,845 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-16 13:50:56,848 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 61 places, 56 transitions, 122 flow [2020-10-16 13:50:56,850 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 61 places, 56 transitions, 122 flow [2020-10-16 13:50:56,893 INFO L129 PetriNetUnfolder]: 2/54 cut-off events. [2020-10-16 13:50:56,894 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-16 13:50:56,899 INFO L80 FinitePrefix]: Finished finitePrefix Result has 61 conditions, 54 events. 2/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 32 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 41. Up to 2 conditions per place. [2020-10-16 13:50:56,901 INFO L117 LiptonReduction]: Number of co-enabled transitions 672 [2020-10-16 13:50:58,064 INFO L132 LiptonReduction]: Checked pairs total: 1197 [2020-10-16 13:50:58,065 INFO L134 LiptonReduction]: Total number of compositions: 50 [2020-10-16 13:50:58,072 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 22 places, 15 transitions, 40 flow [2020-10-16 13:50:58,086 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 74 states. [2020-10-16 13:50:58,088 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states. [2020-10-16 13:50:58,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2020-10-16 13:50:58,096 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:50:58,096 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2020-10-16 13:50:58,097 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:50:58,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:50:58,102 INFO L82 PathProgramCache]: Analyzing trace with hash 1988358065, now seen corresponding path program 1 times [2020-10-16 13:50:58,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:50:58,121 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145092800] [2020-10-16 13:50:58,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:50:58,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:50:58,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:50:58,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145092800] [2020-10-16 13:50:58,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:50:58,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2020-10-16 13:50:58,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2109059613] [2020-10-16 13:50:58,324 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:50:58,328 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:50:58,341 INFO L258 McrAutomatonBuilder]: Finished intersection with 7 states and 6 transitions. [2020-10-16 13:50:58,342 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:50:58,346 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:50:58,347 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 13:50:58,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:50:58,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 13:50:58,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:50:58,382 INFO L87 Difference]: Start difference. First operand 74 states. Second operand 3 states. [2020-10-16 13:50:58,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:50:58,412 INFO L93 Difference]: Finished difference Result 70 states and 149 transitions. [2020-10-16 13:50:58,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 13:50:58,415 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2020-10-16 13:50:58,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:50:58,432 INFO L225 Difference]: With dead ends: 70 [2020-10-16 13:50:58,432 INFO L226 Difference]: Without dead ends: 54 [2020-10-16 13:50:58,434 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 13:50:58,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-10-16 13:50:58,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2020-10-16 13:50:58,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-10-16 13:50:58,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 109 transitions. [2020-10-16 13:50:58,480 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 109 transitions. Word has length 6 [2020-10-16 13:50:58,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:50:58,481 INFO L481 AbstractCegarLoop]: Abstraction has 54 states and 109 transitions. [2020-10-16 13:50:58,481 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 13:50:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 109 transitions. [2020-10-16 13:50:58,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2020-10-16 13:50:58,482 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:50:58,482 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:50:58,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 13:50:58,483 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:50:58,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:50:58,483 INFO L82 PathProgramCache]: Analyzing trace with hash 1509556844, now seen corresponding path program 1 times [2020-10-16 13:50:58,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:50:58,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1025651794] [2020-10-16 13:50:58,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:50:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:50:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:50:58,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1025651794] [2020-10-16 13:50:58,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:50:58,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:50:58,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [589645599] [2020-10-16 13:50:58,560 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:50:58,560 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:50:58,563 INFO L258 McrAutomatonBuilder]: Finished intersection with 11 states and 13 transitions. [2020-10-16 13:50:58,563 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:50:58,599 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:50:58,601 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:50:58,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:50:58,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:50:58,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:50:58,602 INFO L87 Difference]: Start difference. First operand 54 states and 109 transitions. Second operand 4 states. [2020-10-16 13:50:58,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:50:58,625 INFO L93 Difference]: Finished difference Result 60 states and 113 transitions. [2020-10-16 13:50:58,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 13:50:58,626 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2020-10-16 13:50:58,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:50:58,627 INFO L225 Difference]: With dead ends: 60 [2020-10-16 13:50:58,627 INFO L226 Difference]: Without dead ends: 30 [2020-10-16 13:50:58,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:50:58,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-10-16 13:50:58,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-10-16 13:50:58,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-10-16 13:50:58,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 51 transitions. [2020-10-16 13:50:58,634 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 51 transitions. Word has length 7 [2020-10-16 13:50:58,634 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:50:58,634 INFO L481 AbstractCegarLoop]: Abstraction has 30 states and 51 transitions. [2020-10-16 13:50:58,634 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:50:58,634 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 51 transitions. [2020-10-16 13:50:58,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-16 13:50:58,635 INFO L414 BasicCegarLoop]: Found error trace [2020-10-16 13:50:58,635 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 13:50:58,635 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 13:50:58,636 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 13:50:58,636 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 13:50:58,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1046667655, now seen corresponding path program 1 times [2020-10-16 13:50:58,638 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 13:50:58,638 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134916252] [2020-10-16 13:50:58,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 13:50:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 13:50:58,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 13:50:58,714 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134916252] [2020-10-16 13:50:58,714 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 13:50:58,714 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-16 13:50:58,715 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [328126348] [2020-10-16 13:50:58,715 INFO L200 McrAutomatonBuilder]: Constructing automaton for MCR equivalence class. [2020-10-16 13:50:58,716 INFO L255 McrAutomatonBuilder]: Started intersection. [2020-10-16 13:50:58,720 INFO L258 McrAutomatonBuilder]: Finished intersection with 13 states and 15 transitions. [2020-10-16 13:50:58,720 INFO L282 McrAutomatonBuilder]: Constructing interpolant automaton by labelling MCR automaton with interpolants from WpInterpolantProvider [2020-10-16 13:50:58,733 INFO L313 McrAutomatonBuilder]: Construction finished. MCR generated 0 new interpolants: [] [2020-10-16 13:50:58,734 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-16 13:50:58,734 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 13:50:58,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-16 13:50:58,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-16 13:50:58,735 INFO L87 Difference]: Start difference. First operand 30 states and 51 transitions. Second operand 4 states. [2020-10-16 13:50:58,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-16 13:50:58,748 INFO L93 Difference]: Finished difference Result 24 states and 38 transitions. [2020-10-16 13:50:58,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-16 13:50:58,749 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2020-10-16 13:50:58,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-16 13:50:58,749 INFO L225 Difference]: With dead ends: 24 [2020-10-16 13:50:58,749 INFO L226 Difference]: Without dead ends: 0 [2020-10-16 13:50:58,750 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-16 13:50:58,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-16 13:50:58,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-16 13:50:58,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-16 13:50:58,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-16 13:50:58,751 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 9 [2020-10-16 13:50:58,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-16 13:50:58,752 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-16 13:50:58,752 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-16 13:50:58,752 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-16 13:50:58,752 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-16 13:50:58,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-16 13:50:58,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 01:50:58 BasicIcfg [2020-10-16 13:50:58,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 13:50:58,759 INFO L168 Benchmark]: Toolchain (without parser) took 3257.94 ms. Allocated memory was 146.8 MB in the beginning and 246.4 MB in the end (delta: 99.6 MB). Free memory was 101.4 MB in the beginning and 186.3 MB in the end (delta: -84.9 MB). Peak memory consumption was 14.7 MB. Max. memory is 7.1 GB. [2020-10-16 13:50:58,760 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:50:58,761 INFO L168 Benchmark]: CACSL2BoogieTranslator took 742.00 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.2 MB in the beginning and 160.8 MB in the end (delta: -59.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2020-10-16 13:50:58,762 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.61 ms. Allocated memory is still 203.4 MB. Free memory was 160.8 MB in the beginning and 158.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2020-10-16 13:50:58,763 INFO L168 Benchmark]: Boogie Preprocessor took 25.98 ms. Allocated memory is still 203.4 MB. Free memory was 158.2 MB in the beginning and 156.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. [2020-10-16 13:50:58,764 INFO L168 Benchmark]: RCFGBuilder took 366.42 ms. Allocated memory is still 203.4 MB. Free memory was 156.9 MB in the beginning and 136.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. [2020-10-16 13:50:58,765 INFO L168 Benchmark]: TraceAbstraction took 2050.73 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 136.6 MB in the beginning and 186.3 MB in the end (delta: -49.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2020-10-16 13:50:58,769 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.8 MB. Free memory was 121.4 MB in the beginning and 121.1 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 742.00 ms. Allocated memory was 146.8 MB in the beginning and 203.4 MB in the end (delta: 56.6 MB). Free memory was 101.2 MB in the beginning and 160.8 MB in the end (delta: -59.6 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.61 ms. Allocated memory is still 203.4 MB. Free memory was 160.8 MB in the beginning and 158.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 25.98 ms. Allocated memory is still 203.4 MB. Free memory was 158.2 MB in the beginning and 156.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 366.42 ms. Allocated memory is still 203.4 MB. Free memory was 156.9 MB in the beginning and 136.6 MB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2050.73 ms. Allocated memory was 203.4 MB in the beginning and 246.4 MB in the end (delta: 43.0 MB). Free memory was 136.6 MB in the beginning and 186.3 MB in the end (delta: -49.7 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 363 VarBasedMoverChecksPositive, 17 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 28 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.2s, 61 PlacesBefore, 22 PlacesAfterwards, 56 TransitionsBefore, 15 TransitionsAfterwards, 672 CoEnabledTransitionPairs, 5 FixpointIterations, 13 TrivialSequentialCompositions, 27 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 50 TotalNumberOfCompositions, 1197 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 3 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.2s, HoareTripleCheckerStatistics: 33 SDtfs, 25 SDslu, 22 SDs, 0 SdLazy, 11 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 375 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...