/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-05 20:46:55,130 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-05 20:46:55,131 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-05 20:46:55,153 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-05 20:46:55,154 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-05 20:46:55,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-05 20:46:55,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-05 20:46:55,164 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-05 20:46:55,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-05 20:46:55,170 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-05 20:46:55,171 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-05 20:46:55,172 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-05 20:46:55,173 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-05 20:46:55,174 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-05 20:46:55,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-05 20:46:55,176 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-05 20:46:55,177 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-05 20:46:55,178 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-05 20:46:55,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-05 20:46:55,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-05 20:46:55,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-05 20:46:55,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-05 20:46:55,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-05 20:46:55,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-05 20:46:55,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-05 20:46:55,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-05 20:46:55,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-05 20:46:55,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-05 20:46:55,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-05 20:46:55,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-05 20:46:55,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-05 20:46:55,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-05 20:46:55,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-05 20:46:55,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-05 20:46:55,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-05 20:46:55,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-05 20:46:55,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-05 20:46:55,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-05 20:46:55,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-05 20:46:55,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-05 20:46:55,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-05 20:46:55,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2022-12-05 20:46:55,226 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-05 20:46:55,226 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-05 20:46:55,227 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-05 20:46:55,227 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-05 20:46:55,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-05 20:46:55,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-05 20:46:55,228 INFO L138 SettingsManager]: * Use SBE=true [2022-12-05 20:46:55,228 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-05 20:46:55,228 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-05 20:46:55,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-05 20:46:55,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-05 20:46:55,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-05 20:46:55,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-05 20:46:55,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-05 20:46:55,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-05 20:46:55,230 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-05 20:46:55,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-05 20:46:55,230 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-05 20:46:55,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-05 20:46:55,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-05 20:46:55,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-05 20:46:55,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-05 20:46:55,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-05 20:46:55,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:46:55,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-05 20:46:55,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-05 20:46:55,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-05 20:46:55,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-05 20:46:55,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-05 20:46:55,231 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-05 20:46:55,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-05 20:46:55,529 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-05 20:46:55,543 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-05 20:46:55,545 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-05 20:46:55,545 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-05 20:46:55,546 INFO L275 PluginConnector]: CDTParser initialized [2022-12-05 20:46:55,546 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i [2022-12-05 20:46:56,569 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-05 20:46:56,837 INFO L351 CDTParser]: Found 1 translation units. [2022-12-05 20:46:56,837 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i [2022-12-05 20:46:56,849 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecc882fa4/792b11886bc94d97a832331b6112f819/FLAGac05d9ce2 [2022-12-05 20:46:56,878 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecc882fa4/792b11886bc94d97a832331b6112f819 [2022-12-05 20:46:56,880 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-05 20:46:56,881 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-05 20:46:56,883 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-05 20:46:56,883 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-05 20:46:56,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-05 20:46:56,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:46:56" (1/1) ... [2022-12-05 20:46:56,895 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c3205f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:56, skipping insertion in model container [2022-12-05 20:46:56,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:46:56" (1/1) ... [2022-12-05 20:46:56,903 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-05 20:46:56,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-05 20:46:57,040 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i[1088,1101] [2022-12-05 20:46:57,148 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:46:57,158 INFO L203 MainTranslator]: Completed pre-run [2022-12-05 20:46:57,169 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_37-traces-ex-4_true.i[1088,1101] [2022-12-05 20:46:57,200 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-05 20:46:57,236 INFO L208 MainTranslator]: Completed translation [2022-12-05 20:46:57,237 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57 WrapperNode [2022-12-05 20:46:57,238 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-05 20:46:57,239 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-05 20:46:57,239 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-05 20:46:57,239 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-05 20:46:57,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,281 INFO L138 Inliner]: procedures = 162, calls = 29, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-12-05 20:46:57,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-05 20:46:57,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-05 20:46:57,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-05 20:46:57,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-05 20:46:57,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,293 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,293 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,307 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,308 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,309 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-05 20:46:57,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-05 20:46:57,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-05 20:46:57,311 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-05 20:46:57,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (1/1) ... [2022-12-05 20:46:57,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-05 20:46:57,323 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-05 20:46:57,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-05 20:46:57,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-05 20:46:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-05 20:46:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-05 20:46:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-05 20:46:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-05 20:46:57,375 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-05 20:46:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-05 20:46:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-05 20:46:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-05 20:46:57,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-05 20:46:57,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-05 20:46:57,377 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-05 20:46:57,520 INFO L236 CfgBuilder]: Building ICFG [2022-12-05 20:46:57,524 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-05 20:46:57,677 INFO L277 CfgBuilder]: Performing block encoding [2022-12-05 20:46:57,681 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-05 20:46:57,682 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-05 20:46:57,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:46:57 BoogieIcfgContainer [2022-12-05 20:46:57,683 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-05 20:46:57,684 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-05 20:46:57,684 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-05 20:46:57,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-05 20:46:57,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:46:56" (1/3) ... [2022-12-05 20:46:57,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7073592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:46:57, skipping insertion in model container [2022-12-05 20:46:57,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:46:57" (2/3) ... [2022-12-05 20:46:57,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7073592b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:46:57, skipping insertion in model container [2022-12-05 20:46:57,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:46:57" (3/3) ... [2022-12-05 20:46:57,688 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_37-traces-ex-4_true.i [2022-12-05 20:46:57,702 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-05 20:46:57,703 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-05 20:46:57,703 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-05 20:46:57,760 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-05 20:46:57,787 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 68 places, 65 transitions, 135 flow [2022-12-05 20:46:57,832 INFO L130 PetriNetUnfolder]: 1/64 cut-off events. [2022-12-05 20:46:57,832 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:46:57,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 64 events. 1/64 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 41 event pairs, 0 based on Foata normal form. 0/62 useless extension candidates. Maximal degree in co-relation 35. Up to 2 conditions per place. [2022-12-05 20:46:57,836 INFO L82 GeneralOperation]: Start removeDead. Operand has 68 places, 65 transitions, 135 flow [2022-12-05 20:46:57,839 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 54 transitions, 111 flow [2022-12-05 20:46:57,840 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-05 20:46:57,865 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 54 transitions, 111 flow [2022-12-05 20:46:57,871 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 58 places, 54 transitions, 111 flow [2022-12-05 20:46:57,892 INFO L130 PetriNetUnfolder]: 0/54 cut-off events. [2022-12-05 20:46:57,892 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:46:57,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 58 conditions, 54 events. 0/54 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 21 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-12-05 20:46:57,893 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 54 transitions, 111 flow [2022-12-05 20:46:57,893 INFO L188 LiptonReduction]: Number of co-enabled transitions 308 [2022-12-05 20:47:00,189 INFO L203 LiptonReduction]: Total number of compositions: 46 [2022-12-05 20:47:00,200 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-05 20:47:00,217 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2dadabd9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-05 20:47:00,217 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-12-05 20:47:00,219 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-05 20:47:00,219 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:47:00,220 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:47:00,220 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-05 20:47:00,220 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 20:47:00,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:47:00,224 INFO L85 PathProgramCache]: Analyzing trace with hash 214284526, now seen corresponding path program 1 times [2022-12-05 20:47:00,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:47:00,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1690333927] [2022-12-05 20:47:00,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:00,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:47:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:47:00,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:47:00,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1690333927] [2022-12-05 20:47:00,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1690333927] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:47:00,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:47:00,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-05 20:47:00,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [343856708] [2022-12-05 20:47:00,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:47:00,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-05 20:47:00,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:47:00,519 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-05 20:47:00,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-05 20:47:00,521 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 11 [2022-12-05 20:47:00,521 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 15 places, 11 transitions, 25 flow. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:47:00,522 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:47:00,522 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 11 [2022-12-05 20:47:00,522 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:47:00,547 INFO L130 PetriNetUnfolder]: 8/31 cut-off events. [2022-12-05 20:47:00,547 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-05 20:47:00,547 INFO L83 FinitePrefix]: Finished finitePrefix Result has 63 conditions, 31 events. 8/31 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 72 event pairs, 6 based on Foata normal form. 4/32 useless extension candidates. Maximal degree in co-relation 54. Up to 21 conditions per place. [2022-12-05 20:47:00,548 INFO L137 encePairwiseOnDemand]: 7/11 looper letters, 7 selfloop transitions, 3 changer transitions 2/13 dead transitions. [2022-12-05 20:47:00,548 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 13 transitions, 51 flow [2022-12-05 20:47:00,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-05 20:47:00,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-05 20:47:00,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 18 transitions. [2022-12-05 20:47:00,556 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5454545454545454 [2022-12-05 20:47:00,557 INFO L175 Difference]: Start difference. First operand has 15 places, 11 transitions, 25 flow. Second operand 3 states and 18 transitions. [2022-12-05 20:47:00,557 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 13 transitions, 51 flow [2022-12-05 20:47:00,558 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 16 places, 13 transitions, 50 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-05 20:47:00,561 INFO L231 Difference]: Finished difference. Result has 17 places, 9 transitions, 31 flow [2022-12-05 20:47:00,562 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=11, PETRI_DIFFERENCE_MINUEND_FLOW=24, PETRI_DIFFERENCE_MINUEND_PLACES=14, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=11, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=31, PETRI_PLACES=17, PETRI_TRANSITIONS=9} [2022-12-05 20:47:00,566 INFO L294 CegarLoopForPetriNet]: 15 programPoint places, 2 predicate places. [2022-12-05 20:47:00,566 INFO L495 AbstractCegarLoop]: Abstraction has has 17 places, 9 transitions, 31 flow [2022-12-05 20:47:00,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:47:00,566 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-05 20:47:00,566 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2022-12-05 20:47:00,567 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-05 20:47:00,567 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-05 20:47:00,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-05 20:47:00,574 INFO L85 PathProgramCache]: Analyzing trace with hash -1947114439, now seen corresponding path program 1 times [2022-12-05 20:47:00,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-05 20:47:00,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031682238] [2022-12-05 20:47:00,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-05 20:47:00,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-05 20:47:00,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-05 20:47:00,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-05 20:47:00,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-05 20:47:00,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031682238] [2022-12-05 20:47:00,688 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031682238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-05 20:47:00,689 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-05 20:47:00,689 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-05 20:47:00,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773207915] [2022-12-05 20:47:00,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-05 20:47:00,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-05 20:47:00,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-05 20:47:00,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-05 20:47:00,690 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-12-05 20:47:00,690 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 1 out of 11 [2022-12-05 20:47:00,690 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 17 places, 9 transitions, 31 flow. Second operand has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:47:00,691 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-05 20:47:00,691 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 1 of 11 [2022-12-05 20:47:00,691 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-05 20:47:00,704 INFO L130 PetriNetUnfolder]: 0/10 cut-off events. [2022-12-05 20:47:00,704 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-05 20:47:00,704 INFO L83 FinitePrefix]: Finished finitePrefix Result has 30 conditions, 10 events. 0/10 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 6 event pairs, 0 based on Foata normal form. 5/15 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2022-12-05 20:47:00,704 INFO L137 encePairwiseOnDemand]: 7/11 looper letters, 0 selfloop transitions, 0 changer transitions 8/8 dead transitions. [2022-12-05 20:47:00,705 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 17 places, 8 transitions, 43 flow [2022-12-05 20:47:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-05 20:47:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-05 20:47:00,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-12-05 20:47:00,705 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3181818181818182 [2022-12-05 20:47:00,705 INFO L175 Difference]: Start difference. First operand has 17 places, 9 transitions, 31 flow. Second operand 4 states and 14 transitions. [2022-12-05 20:47:00,705 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 17 places, 8 transitions, 43 flow [2022-12-05 20:47:00,706 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 14 places, 8 transitions, 34 flow, removed 0 selfloop flow, removed 3 redundant places. [2022-12-05 20:47:00,706 INFO L231 Difference]: Finished difference. Result has 14 places, 0 transitions, 0 flow [2022-12-05 20:47:00,706 INFO L276 CegarLoopForPetriNet]: {PETRI_ALPHABET=11, PETRI_DIFFERENCE_MINUEND_FLOW=18, PETRI_DIFFERENCE_MINUEND_PLACES=11, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=8, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=8, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=14, PETRI_TRANSITIONS=0} [2022-12-05 20:47:00,707 INFO L294 CegarLoopForPetriNet]: 15 programPoint places, -1 predicate places. [2022-12-05 20:47:00,707 INFO L495 AbstractCegarLoop]: Abstraction has has 14 places, 0 transitions, 0 flow [2022-12-05 20:47:00,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-05 20:47:00,709 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-12-05 20:47:00,710 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining) [2022-12-05 20:47:00,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-05 20:47:00,710 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-05 20:47:00,714 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-05 20:47:00,714 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-05 20:47:00,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:47:00 BasicIcfg [2022-12-05 20:47:00,719 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-05 20:47:00,720 INFO L158 Benchmark]: Toolchain (without parser) took 3838.33ms. Allocated memory was 209.7MB in the beginning and 267.4MB in the end (delta: 57.7MB). Free memory was 184.5MB in the beginning and 167.5MB in the end (delta: 17.0MB). Peak memory consumption was 75.5MB. Max. memory is 8.0GB. [2022-12-05 20:47:00,720 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory is still 186.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-05 20:47:00,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 355.14ms. Allocated memory is still 209.7MB. Free memory was 184.5MB in the beginning and 165.4MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-05 20:47:00,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.05ms. Allocated memory is still 209.7MB. Free memory was 165.4MB in the beginning and 163.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-05 20:47:00,724 INFO L158 Benchmark]: Boogie Preprocessor took 28.46ms. Allocated memory is still 209.7MB. Free memory was 163.7MB in the beginning and 162.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-05 20:47:00,724 INFO L158 Benchmark]: RCFGBuilder took 371.87ms. Allocated memory is still 209.7MB. Free memory was 162.3MB in the beginning and 149.2MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-05 20:47:00,724 INFO L158 Benchmark]: TraceAbstraction took 3035.01ms. Allocated memory was 209.7MB in the beginning and 267.4MB in the end (delta: 57.7MB). Free memory was 148.1MB in the beginning and 167.5MB in the end (delta: -19.4MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. [2022-12-05 20:47:00,728 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 209.7MB. Free memory is still 186.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 355.14ms. Allocated memory is still 209.7MB. Free memory was 184.5MB in the beginning and 165.4MB in the end (delta: 19.1MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.05ms. Allocated memory is still 209.7MB. Free memory was 165.4MB in the beginning and 163.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 28.46ms. Allocated memory is still 209.7MB. Free memory was 163.7MB in the beginning and 162.3MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 371.87ms. Allocated memory is still 209.7MB. Free memory was 162.3MB in the beginning and 149.2MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 3035.01ms. Allocated memory was 209.7MB in the beginning and 267.4MB in the end (delta: 57.7MB). Free memory was 148.1MB in the beginning and 167.5MB in the end (delta: -19.4MB). Peak memory consumption was 38.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 2.3s, 58 PlacesBefore, 15 PlacesAfterwards, 54 TransitionsBefore, 11 TransitionsAfterwards, 308 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 27 TrivialYvCompositions, 19 ConcurrentYvCompositions, 0 ChoiceCompositions, 46 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 211, independent: 186, independent conditional: 186, independent unconditional: 0, dependent: 25, dependent conditional: 25, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 211, independent: 186, independent conditional: 0, independent unconditional: 186, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 211, independent: 186, independent conditional: 0, independent unconditional: 186, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 211, independent: 186, independent conditional: 0, independent unconditional: 186, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 185, independent: 169, independent conditional: 0, independent unconditional: 169, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 185, independent: 150, independent conditional: 0, independent unconditional: 150, dependent: 35, dependent conditional: 0, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 16, dependent conditional: 0, dependent unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 53, independent: 29, independent conditional: 0, independent unconditional: 29, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 211, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 185, unknown conditional: 0, unknown unconditional: 185] , Statistics on independence cache: Total cache size (in pairs): 277, Positive cache size: 261, Positive conditional cache size: 0, Positive unconditional cache size: 261, Negative cache size: 16, Negative conditional cache size: 0, Negative unconditional cache size: 16, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 81 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 8 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 24 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 0 mSDtfsCounter, 24 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=1, InterpolantAutomatonStates: 7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 45 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-05 20:47:00,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...