/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/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 15:27:38,555 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 15:27:38,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 15:27:38,570 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 15:27:38,570 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 15:27:38,571 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 15:27:38,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 15:27:38,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 15:27:38,577 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 15:27:38,578 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 15:27:38,579 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 15:27:38,580 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 15:27:38,580 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 15:27:38,581 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 15:27:38,582 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 15:27:38,583 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 15:27:38,584 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 15:27:38,585 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 15:27:38,587 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 15:27:38,589 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 15:27:38,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 15:27:38,594 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 15:27:38,596 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 15:27:38,596 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 15:27:38,598 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 15:27:38,599 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 15:27:38,599 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 15:27:38,600 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 15:27:38,600 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 15:27:38,601 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 15:27:38,602 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 15:27:38,602 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 15:27:38,603 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 15:27:38,604 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 15:27:38,605 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 15:27:38,605 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 15:27:38,606 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 15:27:38,606 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 15:27:38,606 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 15:27:38,607 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 15:27:38,608 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 15:27:38,609 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 15:27:38,618 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 15:27:38,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 15:27:38,619 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 15:27:38,620 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 15:27:38,620 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 15:27:38,620 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 15:27:38,620 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 15:27:38,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 15:27:38,620 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 15:27:38,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 15:27:38,621 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 15:27:38,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 15:27:38,621 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 15:27:38,621 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 15:27:38,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 15:27:38,622 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 15:27:38,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 15:27:38,622 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 15:27:38,622 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:27:38,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 15:27:38,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 15:27:38,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 15:27:38,623 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation [2020-07-07 15:27:38,949 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 15:27:38,962 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 15:27:38,965 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 15:27:38,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 15:27:38,967 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 15:27:38,968 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-07 15:27:39,030 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f606c88/2c54c7ac2f5b4cd387c653cd178f8b87/FLAGbe1deb9ac [2020-07-07 15:27:39,495 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 15:27:39,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/systemc/pc_sfifo_3.cil.c [2020-07-07 15:27:39,506 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f606c88/2c54c7ac2f5b4cd387c653cd178f8b87/FLAGbe1deb9ac [2020-07-07 15:27:39,865 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/61f606c88/2c54c7ac2f5b4cd387c653cd178f8b87 [2020-07-07 15:27:39,877 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 15:27:39,880 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 15:27:39,881 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:39,881 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 15:27:39,884 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 15:27:39,885 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:39" (1/1) ... [2020-07-07 15:27:39,888 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9a739c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:39, skipping insertion in model container [2020-07-07 15:27:39,889 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 03:27:39" (1/1) ... [2020-07-07 15:27:39,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 15:27:39,931 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 15:27:40,184 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:40,190 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 15:27:40,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 15:27:40,343 INFO L208 MainTranslator]: Completed translation [2020-07-07 15:27:40,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40 WrapperNode [2020-07-07 15:27:40,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 15:27:40,344 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 15:27:40,344 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 15:27:40,344 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 15:27:40,358 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40" (1/1) ... [2020-07-07 15:27:40,359 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40" (1/1) ... [2020-07-07 15:27:40,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40" (1/1) ... [2020-07-07 15:27:40,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40" (1/1) ... [2020-07-07 15:27:40,377 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40" (1/1) ... [2020-07-07 15:27:40,394 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40" (1/1) ... [2020-07-07 15:27:40,396 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40" (1/1) ... [2020-07-07 15:27:40,400 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 15:27:40,401 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 15:27:40,401 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 15:27:40,401 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 15:27:40,402 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 15:27:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 15:27:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 15:27:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-07-07 15:27:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure update_fifo_q [2020-07-07 15:27:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_write_p_triggered [2020-07-07 15:27:40,454 INFO L138 BoogieDeclarations]: Found implementation of procedure is_do_read_c_triggered [2020-07-07 15:27:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify_threads [2020-07-07 15:27:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure do_write_p [2020-07-07 15:27:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure do_read_c [2020-07-07 15:27:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-07-07 15:27:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-07-07 15:27:40,455 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-07-07 15:27:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-07-07 15:27:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-07-07 15:27:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-07-07 15:27:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-07-07 15:27:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-07-07 15:27:40,456 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-07-07 15:27:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-07-07 15:27:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-07-07 15:27:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-07-07 15:27:40,457 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 15:27:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 15:27:40,457 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 15:27:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-07-07 15:27:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure update_fifo_q [2020-07-07 15:27:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_write_p_triggered [2020-07-07 15:27:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure is_do_read_c_triggered [2020-07-07 15:27:40,458 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify_threads [2020-07-07 15:27:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure do_write_p [2020-07-07 15:27:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure do_read_c [2020-07-07 15:27:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-07-07 15:27:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-07-07 15:27:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-07-07 15:27:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-07-07 15:27:40,459 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-07-07 15:27:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-07-07 15:27:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-07-07 15:27:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-07-07 15:27:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-07-07 15:27:40,460 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-07-07 15:27:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-07-07 15:27:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-07-07 15:27:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 15:27:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 15:27:40,461 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 15:27:41,064 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint L209: ~c_dr_st~0 := 2; [2020-07-07 15:27:41,065 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint L210: ~c_dr_pc~0 := 2; [2020-07-07 15:27:41,065 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint L211: ~a_t~0 := ~a~0; [2020-07-07 15:27:41,065 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##10: assume 1 == ~q_free~0; [2020-07-07 15:27:41,066 INFO L728 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##11: assume !(1 == ~q_free~0); [2020-07-07 15:27:41,111 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 15:27:41,112 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-07 15:27:41,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:27:41 BoogieIcfgContainer [2020-07-07 15:27:41,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 15:27:41,130 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 15:27:41,130 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 15:27:41,134 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 15:27:41,134 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 03:27:39" (1/3) ... [2020-07-07 15:27:41,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb8301b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:27:41, skipping insertion in model container [2020-07-07 15:27:41,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 03:27:40" (2/3) ... [2020-07-07 15:27:41,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bb8301b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 03:27:41, skipping insertion in model container [2020-07-07 15:27:41,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 03:27:41" (3/3) ... [2020-07-07 15:27:41,137 INFO L109 eAbstractionObserver]: Analyzing ICFG pc_sfifo_3.cil.c [2020-07-07 15:27:41,147 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 15:27:41,156 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 15:27:41,170 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 15:27:41,191 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 15:27:41,191 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 15:27:41,191 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-07-07 15:27:41,192 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 15:27:41,192 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 15:27:41,192 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 15:27:41,192 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 15:27:41,192 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 15:27:41,208 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states. [2020-07-07 15:27:41,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-07-07 15:27:41,226 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 15:27:41,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 15:27:41,228 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 15:27:41,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 15:27:41,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1849744024, now seen corresponding path program 1 times [2020-07-07 15:27:41,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 15:27:41,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011597849] [2020-07-07 15:27:41,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 15:27:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 15:27:41,342 FATAL L206 atingTraceCheckCraig]: Solver crashed with UnsupportedOperationException whose message is null [2020-07-07 15:27:41,343 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:385) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:332) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:239) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:508) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:436) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:370) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopResult.iterate(CegarLoopResult.java:142) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateNew(TraceAbstractionStarter.java:334) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:127) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-07 15:27:41,348 INFO L168 Benchmark]: Toolchain (without parser) took 1468.10 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 102.0 MB in the beginning and 108.3 MB in the end (delta: -6.3 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:41,349 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2020-07-07 15:27:41,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 463.14 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 101.8 MB in the beginning and 176.2 MB in the end (delta: -74.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:41,351 INFO L168 Benchmark]: Boogie Preprocessor took 56.23 ms. Allocated memory is still 198.2 MB. Free memory was 176.2 MB in the beginning and 173.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:41,352 INFO L168 Benchmark]: RCFGBuilder took 725.75 ms. Allocated memory is still 198.2 MB. Free memory was 173.0 MB in the beginning and 128.8 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:41,353 INFO L168 Benchmark]: TraceAbstraction took 215.54 ms. Allocated memory is still 198.2 MB. Free memory was 128.1 MB in the beginning and 108.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. [2020-07-07 15:27:41,357 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 136.8 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 463.14 ms. Allocated memory was 136.8 MB in the beginning and 198.2 MB in the end (delta: 61.3 MB). Free memory was 101.8 MB in the beginning and 176.2 MB in the end (delta: -74.4 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 56.23 ms. Allocated memory is still 198.2 MB. Free memory was 176.2 MB in the beginning and 173.7 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 725.75 ms. Allocated memory is still 198.2 MB. Free memory was 173.0 MB in the beginning and 128.8 MB in the end (delta: 44.2 MB). Peak memory consumption was 44.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 215.54 ms. Allocated memory is still 198.2 MB. Free memory was 128.1 MB in the beginning and 108.3 MB in the end (delta: 19.8 MB). Peak memory consumption was 19.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: null: de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:391) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...