/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.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SHALLOWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/systemc/transmitter.16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 00:07:05,737 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 00:07:05,742 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 00:07:05,787 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 00:07:05,788 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 00:07:05,796 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 00:07:05,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 00:07:05,803 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 00:07:05,806 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 00:07:05,807 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 00:07:05,809 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 00:07:05,811 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 00:07:05,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 00:07:05,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 00:07:05,818 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 00:07:05,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 00:07:05,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 00:07:05,822 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 00:07:05,824 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 00:07:05,830 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 00:07:05,834 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 00:07:05,835 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 00:07:05,837 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 00:07:05,838 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 00:07:05,843 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 00:07:05,843 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 00:07:05,844 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 00:07:05,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 00:07:05,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 00:07:05,850 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 00:07:05,850 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 00:07:05,851 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 00:07:05,852 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 00:07:05,852 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 00:07:05,854 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 00:07:05,854 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 00:07:05,855 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 00:07:05,855 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 00:07:05,855 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 00:07:05,857 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 00:07:05,858 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 00:07:05,859 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-25 00:07:05,897 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 00:07:05,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 00:07:05,899 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 00:07:05,899 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 00:07:05,900 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 00:07:05,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 00:07:05,900 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-25 00:07:05,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 00:07:05,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-25 00:07:05,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 00:07:05,901 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 00:07:05,901 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 00:07:05,901 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 00:07:05,902 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-25 00:07:05,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 00:07:05,902 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 00:07:05,902 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 00:07:05,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 00:07:05,903 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 00:07:05,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 00:07:05,903 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 00:07:05,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 00:07:05,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 00:07:05,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 00:07:05,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 00:07:05,904 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 00:07:05,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 00:07:05,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 00:07:05,905 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 00:07:05,905 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SHALLOWEST;log-additional-information=true; [2020-09-25 00:07:06,347 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 00:07:06,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 00:07:06,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 00:07:06,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 00:07:06,378 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 00:07:06,380 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-09-25 00:07:06,459 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91baa4069/560163f1af2a4962a9471ce18fe15611/FLAGc34d9cb16 [2020-09-25 00:07:07,083 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 00:07:07,084 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/systemc/transmitter.16.cil.c [2020-09-25 00:07:07,103 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91baa4069/560163f1af2a4962a9471ce18fe15611/FLAGc34d9cb16 [2020-09-25 00:07:07,402 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/91baa4069/560163f1af2a4962a9471ce18fe15611 [2020-09-25 00:07:07,415 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 00:07:07,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 00:07:07,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 00:07:07,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 00:07:07,428 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 00:07:07,430 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:07:07" (1/1) ... [2020-09-25 00:07:07,435 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a530f9d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:07, skipping insertion in model container [2020-09-25 00:07:07,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 12:07:07" (1/1) ... [2020-09-25 00:07:07,445 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 00:07:07,534 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 00:07:08,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:07:08,204 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 00:07:08,340 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 00:07:08,379 INFO L208 MainTranslator]: Completed translation [2020-09-25 00:07:08,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08 WrapperNode [2020-09-25 00:07:08,380 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 00:07:08,381 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 00:07:08,381 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 00:07:08,381 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 00:07:08,399 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08" (1/1) ... [2020-09-25 00:07:08,399 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08" (1/1) ... [2020-09-25 00:07:08,419 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08" (1/1) ... [2020-09-25 00:07:08,419 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08" (1/1) ... [2020-09-25 00:07:08,447 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08" (1/1) ... [2020-09-25 00:07:08,492 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08" (1/1) ... [2020-09-25 00:07:08,504 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08" (1/1) ... [2020-09-25 00:07:08,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 00:07:08,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 00:07:08,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 00:07:08,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 00:07:08,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08" (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 [2020-09-25 00:07:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 00:07:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 00:07:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure error [2020-09-25 00:07:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure master [2020-09-25 00:07:08,609 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit1 [2020-09-25 00:07:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit2 [2020-09-25 00:07:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit3 [2020-09-25 00:07:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit4 [2020-09-25 00:07:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit5 [2020-09-25 00:07:08,610 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit6 [2020-09-25 00:07:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit7 [2020-09-25 00:07:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit8 [2020-09-25 00:07:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit9 [2020-09-25 00:07:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit10 [2020-09-25 00:07:08,611 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit11 [2020-09-25 00:07:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit12 [2020-09-25 00:07:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit13 [2020-09-25 00:07:08,612 INFO L138 BoogieDeclarations]: Found implementation of procedure transmit14 [2020-09-25 00:07:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_master_triggered [2020-09-25 00:07:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit1_triggered [2020-09-25 00:07:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit2_triggered [2020-09-25 00:07:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit3_triggered [2020-09-25 00:07:08,613 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit4_triggered [2020-09-25 00:07:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit5_triggered [2020-09-25 00:07:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit6_triggered [2020-09-25 00:07:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit7_triggered [2020-09-25 00:07:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit8_triggered [2020-09-25 00:07:08,614 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit9_triggered [2020-09-25 00:07:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit10_triggered [2020-09-25 00:07:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit11_triggered [2020-09-25 00:07:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit12_triggered [2020-09-25 00:07:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit13_triggered [2020-09-25 00:07:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure is_transmit14_triggered [2020-09-25 00:07:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure update_channels [2020-09-25 00:07:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure init_threads [2020-09-25 00:07:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure exists_runnable_thread [2020-09-25 00:07:08,615 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_delta_events [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_delta_events [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_threads [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure immediate_notify [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure fire_time_events [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure reset_time_events [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure init_model [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_simulation [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure start_simulation [2020-09-25 00:07:08,616 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 00:07:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 00:07:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 00:07:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure error [2020-09-25 00:07:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure is_master_triggered [2020-09-25 00:07:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit1_triggered [2020-09-25 00:07:08,617 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit2_triggered [2020-09-25 00:07:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit3_triggered [2020-09-25 00:07:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit4_triggered [2020-09-25 00:07:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit5_triggered [2020-09-25 00:07:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit6_triggered [2020-09-25 00:07:08,618 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit7_triggered [2020-09-25 00:07:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit8_triggered [2020-09-25 00:07:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit9_triggered [2020-09-25 00:07:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit10_triggered [2020-09-25 00:07:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit11_triggered [2020-09-25 00:07:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit12_triggered [2020-09-25 00:07:08,619 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit13_triggered [2020-09-25 00:07:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure is_transmit14_triggered [2020-09-25 00:07:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure immediate_notify [2020-09-25 00:07:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure master [2020-09-25 00:07:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure transmit1 [2020-09-25 00:07:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure transmit2 [2020-09-25 00:07:08,620 INFO L130 BoogieDeclarations]: Found specification of procedure transmit3 [2020-09-25 00:07:08,621 INFO L130 BoogieDeclarations]: Found specification of procedure transmit4 [2020-09-25 00:07:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure transmit5 [2020-09-25 00:07:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure transmit6 [2020-09-25 00:07:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure transmit7 [2020-09-25 00:07:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure transmit8 [2020-09-25 00:07:08,623 INFO L130 BoogieDeclarations]: Found specification of procedure transmit9 [2020-09-25 00:07:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit10 [2020-09-25 00:07:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit11 [2020-09-25 00:07:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit12 [2020-09-25 00:07:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit13 [2020-09-25 00:07:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure transmit14 [2020-09-25 00:07:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure update_channels [2020-09-25 00:07:08,624 INFO L130 BoogieDeclarations]: Found specification of procedure init_threads [2020-09-25 00:07:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure exists_runnable_thread [2020-09-25 00:07:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2020-09-25 00:07:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure fire_delta_events [2020-09-25 00:07:08,625 INFO L130 BoogieDeclarations]: Found specification of procedure reset_delta_events [2020-09-25 00:07:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure activate_threads [2020-09-25 00:07:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure fire_time_events [2020-09-25 00:07:08,626 INFO L130 BoogieDeclarations]: Found specification of procedure reset_time_events [2020-09-25 00:07:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure init_model [2020-09-25 00:07:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure stop_simulation [2020-09-25 00:07:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure start_simulation [2020-09-25 00:07:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 00:07:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 00:07:08,627 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 00:07:10,021 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 00:07:10,022 INFO L295 CfgBuilder]: Removed 18 assume(true) statements. [2020-09-25 00:07:10,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:07:10 BoogieIcfgContainer [2020-09-25 00:07:10,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 00:07:10,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 00:07:10,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 00:07:10,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 00:07:10,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 12:07:07" (1/3) ... [2020-09-25 00:07:10,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554b6716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:07:10, skipping insertion in model container [2020-09-25 00:07:10,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 12:07:08" (2/3) ... [2020-09-25 00:07:10,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@554b6716 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 12:07:10, skipping insertion in model container [2020-09-25 00:07:10,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 12:07:10" (3/3) ... [2020-09-25 00:07:10,051 INFO L109 eAbstractionObserver]: Analyzing ICFG transmitter.16.cil.c [2020-09-25 00:07:10,066 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 00:07:10,082 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 00:07:10,107 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 00:07:10,149 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 00:07:10,149 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 00:07:10,149 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 00:07:10,149 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 00:07:10,150 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 00:07:10,150 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 00:07:10,151 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 00:07:10,152 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 00:07:10,209 INFO L276 IsEmpty]: Start isEmpty. Operand 926 states. [2020-09-25 00:07:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-09-25 00:07:10,252 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:07:10,257 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:07:10,258 INFO L427 AbstractCegarLoop]: === Iteration 1 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:07:10,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:07:10,269 INFO L82 PathProgramCache]: Analyzing trace with hash -2106220204, now seen corresponding path program 1 times [2020-09-25 00:07:10,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:07:10,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141802257] [2020-09-25 00:07:10,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:07:10,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:10,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:11,202 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:11,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:11,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:11,713 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:11,852 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:11,985 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:12,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:15,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:15,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 467 [2020-09-25 00:07:15,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 8 [2020-09-25 00:07:15,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5065 [2020-09-25 00:07:15,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 89 [2020-09-25 00:07:15,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 00:07:15,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 00:07:16,561 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-25 00:07:16,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:07:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:16,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:16,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:16,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-25 00:07:16,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:16,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-09-25 00:07:16,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:16,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:16,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:16,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:16,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:16,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-25 00:07:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:16,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:16,765 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:16,765 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 00:07:16,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:16,766 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 00:07:16,766 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:16,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:16,766 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:16,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 00:07:16,767 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:16,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 00:07:16,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:16,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:16,787 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:16,787 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:07:16,788 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:16,788 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:07:16,788 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:16,789 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:07:16,789 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:16,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 00:07:16,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:16,864 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:16,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:16,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 00:07:16,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:16,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 00:07:16,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:16,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:16,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-09-25 00:07:16,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-09-25 00:07:16,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 00:07:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,074 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,074 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:07:17,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 00:07:17,075 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:07:17,075 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,076 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 00:07:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-09-25 00:07:17,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-09-25 00:07:17,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-09-25 00:07:17,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 00:07:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,179 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,181 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,182 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,182 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:07:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,189 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:07:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,196 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,196 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-25 00:07:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,203 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,204 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,204 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,204 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 00:07:17,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,220 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,220 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,220 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,221 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-25 00:07:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-25 00:07:17,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,235 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,237 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:17,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 00:07:17,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,250 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,250 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:07:17,251 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,251 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:17,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 00:07:17,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-25 00:07:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,275 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:07:17,275 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 00:07:17,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:07:17,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 00:07:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,291 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:07:17,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:07:17,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,305 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 00:07:17,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 00:07:17,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,311 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,312 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,312 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,312 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:17,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,313 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,314 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:17,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 00:07:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,327 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 00:07:17,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:17,333 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,333 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 00:07:17,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-09-25 00:07:17,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,413 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,420 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,420 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:07:17,421 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,421 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 00:07:17,421 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,421 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:07:17,422 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,422 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:17,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2020-09-25 00:07:17,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:17,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:17,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:17,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:17,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:17,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 00:07:17,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:17,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 00:07:17,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:17,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:17,732 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:07:17,733 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141802257] [2020-09-25 00:07:17,735 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:07:17,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:07:17,736 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1576867258] [2020-09-25 00:07:17,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:07:17,747 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:07:17,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:07:17,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:07:17,768 INFO L87 Difference]: Start difference. First operand 926 states. Second operand 8 states. [2020-09-25 00:07:18,030 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-25 00:07:18,235 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-25 00:07:18,951 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-25 00:07:19,158 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 00:07:19,663 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-25 00:07:19,936 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 00:07:25,109 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 00:07:30,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:07:30,346 INFO L93 Difference]: Finished difference Result 2394 states and 3287 transitions. [2020-09-25 00:07:30,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 00:07:30,348 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-09-25 00:07:30,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:07:30,385 INFO L225 Difference]: With dead ends: 2394 [2020-09-25 00:07:30,385 INFO L226 Difference]: Without dead ends: 1560 [2020-09-25 00:07:30,400 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=98, Invalid=244, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:07:30,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1560 states. [2020-09-25 00:07:30,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1560 to 915. [2020-09-25 00:07:30,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 915 states. [2020-09-25 00:07:30,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 915 states and 1158 transitions. [2020-09-25 00:07:30,686 INFO L78 Accepts]: Start accepts. Automaton has 915 states and 1158 transitions. Word has length 410 [2020-09-25 00:07:30,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:07:30,689 INFO L479 AbstractCegarLoop]: Abstraction has 915 states and 1158 transitions. [2020-09-25 00:07:30,689 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:07:30,689 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1158 transitions. [2020-09-25 00:07:30,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-09-25 00:07:30,712 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:07:30,712 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:07:30,713 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 00:07:30,713 INFO L427 AbstractCegarLoop]: === Iteration 2 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:07:30,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:07:30,714 INFO L82 PathProgramCache]: Analyzing trace with hash -1066186508, now seen corresponding path program 1 times [2020-09-25 00:07:30,714 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:07:30,714 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [221277461] [2020-09-25 00:07:30,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:07:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:30,943 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:31,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:31,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:31,346 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:31,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:31,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:31,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:35,902 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:35,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 467 [2020-09-25 00:07:35,906 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-09-25 00:07:35,906 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-25 00:07:35,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:35,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:35,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 91 [2020-09-25 00:07:35,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 00:07:35,907 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:36,344 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-25 00:07:36,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:07:36,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,410 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,410 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-25 00:07:36,411 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,411 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-09-25 00:07:36,411 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,412 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,413 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-25 00:07:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,498 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,519 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 00:07:36,519 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 00:07:36,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:36,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:07:36,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:36,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 00:07:36,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,531 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:07:36,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:07:36,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:36,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:07:36,536 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 00:07:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,602 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,629 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,629 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 00:07:36,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 00:07:36,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-25 00:07:36,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-09-25 00:07:36,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 00:07:36,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,803 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:07:36,804 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,804 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 00:07:36,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:07:36,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 00:07:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,889 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,890 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-09-25 00:07:36,890 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,890 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 53 [2020-09-25 00:07:36,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,891 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-09-25 00:07:36,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 00:07:36,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,920 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:36,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:36,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:07:36,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,931 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,931 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:36,931 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:36,932 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,932 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,933 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:07:36,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,937 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,939 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:36,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:36,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-25 00:07:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:36,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:07:36,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 00:07:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,957 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,957 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:36,958 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,958 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:36,958 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,959 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,960 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-25 00:07:36,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:36,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:36,967 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-25 00:07:36,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:36,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:07:36,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,978 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:36,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 00:07:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:36,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:07:36,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:36,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 00:07:36,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:36,993 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:36,993 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:36,994 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:36,994 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:07:36,994 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:36,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:36,994 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:36,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:36,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:36,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-25 00:07:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:36,999 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:37,000 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:37,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:37,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:37,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:07:37,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:37,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:37,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:37,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:37,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 00:07:37,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:37,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:37,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:37,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:37,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:37,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-25 00:07:37,011 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:37,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:37,012 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:37,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 00:07:37,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:37,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:37,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:37,023 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:37,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:37,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-25 00:07:37,024 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:37,024 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:37,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:37,025 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:37,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:07:37,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:37,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:37,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:37,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:37,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:37,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:37,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:37,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:37,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:37,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:37,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 00:07:37,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:37,036 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:37,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:37,037 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:37,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:37,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:37,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:37,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:37,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:37,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:37,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 00:07:37,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:37,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:37,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:37,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:37,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:37,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:37,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:37,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:37,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:37,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:37,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-09-25 00:07:37,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:37,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:37,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:37,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:07:37,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:37,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:07:37,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:37,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:37,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:07:37,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:37,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:37,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2020-09-25 00:07:37,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:37,102 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:37,107 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:37,107 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:37,108 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:37,108 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:07:37,108 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:37,108 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 00:07:37,109 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:37,109 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:37,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:07:37,370 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [221277461] [2020-09-25 00:07:37,370 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:07:37,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:07:37,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [380966597] [2020-09-25 00:07:37,374 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:07:37,374 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:07:37,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:07:37,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:07:37,376 INFO L87 Difference]: Start difference. First operand 915 states and 1158 transitions. Second operand 8 states. [2020-09-25 00:07:37,654 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-25 00:07:37,885 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-25 00:07:38,652 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-25 00:07:38,814 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-09-25 00:07:38,959 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2020-09-25 00:07:39,406 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-25 00:07:39,629 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-09-25 00:07:44,722 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 180 [2020-09-25 00:07:50,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 00:07:50,024 INFO L93 Difference]: Finished difference Result 2363 states and 3085 transitions. [2020-09-25 00:07:50,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-25 00:07:50,025 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 410 [2020-09-25 00:07:50,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 00:07:50,047 INFO L225 Difference]: With dead ends: 2363 [2020-09-25 00:07:50,047 INFO L226 Difference]: Without dead ends: 1559 [2020-09-25 00:07:50,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=97, Invalid=245, Unknown=0, NotChecked=0, Total=342 [2020-09-25 00:07:50,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1559 states. [2020-09-25 00:07:50,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1559 to 914. [2020-09-25 00:07:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 914 states. [2020-09-25 00:07:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 914 states and 1156 transitions. [2020-09-25 00:07:50,179 INFO L78 Accepts]: Start accepts. Automaton has 914 states and 1156 transitions. Word has length 410 [2020-09-25 00:07:50,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 00:07:50,180 INFO L479 AbstractCegarLoop]: Abstraction has 914 states and 1156 transitions. [2020-09-25 00:07:50,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-25 00:07:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1156 transitions. [2020-09-25 00:07:50,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 411 [2020-09-25 00:07:50,188 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 00:07:50,188 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 00:07:50,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 00:07:50,189 INFO L427 AbstractCegarLoop]: === Iteration 3 === [errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 00:07:50,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 00:07:50,189 INFO L82 PathProgramCache]: Analyzing trace with hash -642400108, now seen corresponding path program 1 times [2020-09-25 00:07:50,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 00:07:50,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [543586664] [2020-09-25 00:07:50,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 00:07:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:50,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:50,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:50,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:50,760 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:50,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:50,979 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:55,332 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:55,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 467 [2020-09-25 00:07:55,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-09-25 00:07:55,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5028 [2020-09-25 00:07:55,333 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:55,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:55,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 93 [2020-09-25 00:07:55,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-25 00:07:55,334 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:55,671 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-25 00:07:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 00:07:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:55,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:55,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:55,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 82 [2020-09-25 00:07:55,733 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:55,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-09-25 00:07:55,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:55,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:55,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:55,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-25 00:07:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:55,800 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:55,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:55,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 00:07:55,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:55,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 00:07:55,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:55,818 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:55,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-25 00:07:55,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:55,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-09-25 00:07:55,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:55,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:55,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:55,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-25 00:07:55,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:55,831 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:55,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:55,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 00:07:55,831 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:55,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-09-25 00:07:55,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:55,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:55,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:55,907 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 38 [2020-09-25 00:07:55,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:55,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-25 00:07:55,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:55,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 00:07:55,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-25 00:07:55,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 25 [2020-09-25 00:07:55,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-25 00:07:56,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,057 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,075 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,075 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:07:56,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 00:07:56,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,076 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:07:56,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:56,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2020-09-25 00:07:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 218 [2020-09-25 00:07:56,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-25 00:07:56,147 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 215 [2020-09-25 00:07:56,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:56,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-25 00:07:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:56,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,178 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-25 00:07:56,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,182 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,185 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:07:56,186 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,186 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,187 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,187 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-09-25 00:07:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,191 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,194 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,196 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:07:56,196 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,197 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,197 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-09-25 00:07:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,201 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,207 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,207 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,208 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,208 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 00:07:56,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-09-25 00:07:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,217 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:56,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,218 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-09-25 00:07:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:56,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-09-25 00:07:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:56,233 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-09-25 00:07:56,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,244 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:07:56,244 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,245 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,245 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2020-09-25 00:07:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,251 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,253 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,253 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,253 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,254 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:56,254 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,254 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,255 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,255 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-25 00:07:56,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,262 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,262 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,262 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:56,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,263 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-25 00:07:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,270 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:56,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-25 00:07:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,278 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,280 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,280 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:56,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,281 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-25 00:07:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,286 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,289 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,290 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,290 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-25 00:07:56,290 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,291 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-09-25 00:07:56,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-25 00:07:56,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 00:07:56,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-25 00:07:56,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,304 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,305 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,305 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-09-25 00:07:56,305 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,305 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 00:07:56,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,306 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:56,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-09-25 00:07:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,335 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,341 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 37 [2020-09-25 00:07:56,341 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 00:07:56,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-09-25 00:07:56,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,342 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:56,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2020-09-25 00:07:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 00:07:56,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 00:07:56,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 00:07:56,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 00:07:56,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 00:07:56,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-25 00:07:56,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: SHALLOWEST [2020-09-25 00:07:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 00:07:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 00:07:56,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 00:07:56,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 00:07:56,551 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 00:07:56,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [543586664] [2020-09-25 00:07:56,552 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 00:07:56,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-25 00:07:56,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230929436] [2020-09-25 00:07:56,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-25 00:07:56,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 00:07:56,555 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-25 00:07:56,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-25 00:07:56,555 INFO L87 Difference]: Start difference. First operand 914 states and 1156 transitions. Second operand 8 states. [2020-09-25 00:07:56,820 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2020-09-25 00:07:57,046 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 133 [2020-09-25 00:07:57,788 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-25 00:07:57,981 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2020-09-25 00:07:58,173 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 136