/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/seq-pthread/cs_peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:13:00,431 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:13:00,434 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:13:00,453 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:13:00,453 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:13:00,456 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:13:00,458 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:13:00,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:13:00,471 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:13:00,475 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:13:00,476 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:13:00,477 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:13:00,477 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:13:00,478 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:13:00,479 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:13:00,480 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:13:00,481 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:13:00,482 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:13:00,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:13:00,485 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:13:00,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:13:00,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:13:00,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:13:00,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:13:00,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:13:00,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:13:00,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:13:00,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:13:00,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:13:00,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:13:00,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:13:00,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:13:00,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:13:00,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:13:00,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:13:00,498 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:13:00,498 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:13:00,499 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:13:00,499 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:13:00,500 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:13:00,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:13:00,501 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:13:00,515 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:13:00,515 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:13:00,516 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:13:00,517 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:13:00,517 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:13:00,517 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:13:00,517 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:13:00,518 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:13:00,518 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:13:00,518 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:13:00,518 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:13:00,518 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:13:00,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:13:00,519 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:13:00,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:13:00,519 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:13:00,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:13:00,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:13:00,520 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:13:00,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:13:00,520 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:13:00,520 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:13:00,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:13:00,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:13:00,521 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:13:00,521 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:13:00,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:13:00,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:13:00,522 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:13:00,820 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:13:00,833 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:13:00,837 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:13:00,838 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:13:00,839 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:13:00,840 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/seq-pthread/cs_peterson.i [2019-11-07 01:13:00,905 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c334a5c1/ce97b84e6fe5499d9d9435453eefa494/FLAG97b131d15 [2019-11-07 01:13:01,552 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:13:01,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/seq-pthread/cs_peterson.i [2019-11-07 01:13:01,570 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c334a5c1/ce97b84e6fe5499d9d9435453eefa494/FLAG97b131d15 [2019-11-07 01:13:01,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c334a5c1/ce97b84e6fe5499d9d9435453eefa494 [2019-11-07 01:13:01,731 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:13:01,733 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:13:01,734 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:13:01,734 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:13:01,738 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:13:01,739 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:01" (1/1) ... [2019-11-07 01:13:01,742 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1517a5a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:01, skipping insertion in model container [2019-11-07 01:13:01,742 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:13:01" (1/1) ... [2019-11-07 01:13:01,750 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:13:01,799 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:13:02,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:13:02,389 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:13:02,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:13:02,555 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:13:02,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02 WrapperNode [2019-11-07 01:13:02,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:13:02,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:13:02,556 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:13:02,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:13:02,571 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02" (1/1) ... [2019-11-07 01:13:02,571 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02" (1/1) ... [2019-11-07 01:13:02,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02" (1/1) ... [2019-11-07 01:13:02,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02" (1/1) ... [2019-11-07 01:13:02,644 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02" (1/1) ... [2019-11-07 01:13:02,671 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02" (1/1) ... [2019-11-07 01:13:02,680 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02" (1/1) ... [2019-11-07 01:13:02,691 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:13:02,692 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:13:02,692 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:13:02,692 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:13:02,693 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:13:02,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:13:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:13:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~$Pointer$ [2019-11-07 01:13:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_32 [2019-11-07 01:13:02,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __bswap_64 [2019-11-07 01:13:02,777 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint16_identity [2019-11-07 01:13:02,778 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint32_identity [2019-11-07 01:13:02,779 INFO L138 BoogieDeclarations]: Found implementation of procedure __uint64_identity [2019-11-07 01:13:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-11-07 01:13:02,780 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_cs [2019-11-07 01:13:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_init [2019-11-07 01:13:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_destroy [2019-11-07 01:13:02,781 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_lock [2019-11-07 01:13:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_mutex_unlock [2019-11-07 01:13:02,782 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_init [2019-11-07 01:13:02,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_signal [2019-11-07 01:13:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_broadcast [2019-11-07 01:13:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_cond_wait [2019-11-07 01:13:02,786 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assert [2019-11-07 01:13:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_assume [2019-11-07 01:13:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_join [2019-11-07 01:13:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure __CS_pthread_create [2019-11-07 01:13:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2019-11-07 01:13:02,787 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2019-11-07 01:13:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure main_thread [2019-11-07 01:13:02,788 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:13:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:13:02,788 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2019-11-07 01:13:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uchar [2019-11-07 01:13:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-11-07 01:13:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:13:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure __ctype_get_mb_cur_max [2019-11-07 01:13:02,789 INFO L130 BoogieDeclarations]: Found specification of procedure atof [2019-11-07 01:13:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure atoi [2019-11-07 01:13:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure atol [2019-11-07 01:13:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure atoll [2019-11-07 01:13:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtod [2019-11-07 01:13:02,790 INFO L130 BoogieDeclarations]: Found specification of procedure strtof [2019-11-07 01:13:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure strtold [2019-11-07 01:13:02,791 INFO L130 BoogieDeclarations]: Found specification of procedure strtol [2019-11-07 01:13:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtoul [2019-11-07 01:13:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtoq [2019-11-07 01:13:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtouq [2019-11-07 01:13:02,792 INFO L130 BoogieDeclarations]: Found specification of procedure strtoll [2019-11-07 01:13:02,793 INFO L130 BoogieDeclarations]: Found specification of procedure strtoull [2019-11-07 01:13:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure l64a [2019-11-07 01:13:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure a64l [2019-11-07 01:13:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_32 [2019-11-07 01:13:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure __bswap_64 [2019-11-07 01:13:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure __uint16_identity [2019-11-07 01:13:02,794 INFO L130 BoogieDeclarations]: Found specification of procedure __uint32_identity [2019-11-07 01:13:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure __uint64_identity [2019-11-07 01:13:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure select [2019-11-07 01:13:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure pselect [2019-11-07 01:13:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_major [2019-11-07 01:13:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_minor [2019-11-07 01:13:02,795 INFO L130 BoogieDeclarations]: Found specification of procedure gnu_dev_makedev [2019-11-07 01:13:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure random [2019-11-07 01:13:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure srandom [2019-11-07 01:13:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure initstate [2019-11-07 01:13:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure setstate [2019-11-07 01:13:02,796 INFO L130 BoogieDeclarations]: Found specification of procedure random_r [2019-11-07 01:13:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure srandom_r [2019-11-07 01:13:02,797 INFO L130 BoogieDeclarations]: Found specification of procedure initstate_r [2019-11-07 01:13:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure setstate_r [2019-11-07 01:13:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure rand [2019-11-07 01:13:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure srand [2019-11-07 01:13:02,798 INFO L130 BoogieDeclarations]: Found specification of procedure rand_r [2019-11-07 01:13:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure drand48 [2019-11-07 01:13:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure erand48 [2019-11-07 01:13:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48 [2019-11-07 01:13:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48 [2019-11-07 01:13:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48 [2019-11-07 01:13:02,801 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48 [2019-11-07 01:13:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure srand48 [2019-11-07 01:13:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure seed48 [2019-11-07 01:13:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48 [2019-11-07 01:13:02,802 INFO L130 BoogieDeclarations]: Found specification of procedure drand48_r [2019-11-07 01:13:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure erand48_r [2019-11-07 01:13:02,803 INFO L130 BoogieDeclarations]: Found specification of procedure lrand48_r [2019-11-07 01:13:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure nrand48_r [2019-11-07 01:13:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure mrand48_r [2019-11-07 01:13:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure jrand48_r [2019-11-07 01:13:02,804 INFO L130 BoogieDeclarations]: Found specification of procedure srand48_r [2019-11-07 01:13:02,805 INFO L130 BoogieDeclarations]: Found specification of procedure seed48_r [2019-11-07 01:13:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure lcong48_r [2019-11-07 01:13:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:13:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2019-11-07 01:13:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure realloc [2019-11-07 01:13:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:13:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure alloca [2019-11-07 01:13:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure valloc [2019-11-07 01:13:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure posix_memalign [2019-11-07 01:13:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure aligned_alloc [2019-11-07 01:13:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2019-11-07 01:13:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure atexit [2019-11-07 01:13:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure at_quick_exit [2019-11-07 01:13:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure on_exit [2019-11-07 01:13:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-11-07 01:13:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure quick_exit [2019-11-07 01:13:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure _Exit [2019-11-07 01:13:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure getenv [2019-11-07 01:13:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure putenv [2019-11-07 01:13:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure setenv [2019-11-07 01:13:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure unsetenv [2019-11-07 01:13:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure clearenv [2019-11-07 01:13:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure mktemp [2019-11-07 01:13:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemp [2019-11-07 01:13:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure mkstemps [2019-11-07 01:13:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure mkdtemp [2019-11-07 01:13:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure system [2019-11-07 01:13:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure realpath [2019-11-07 01:13:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure bsearch [2019-11-07 01:13:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure qsort [2019-11-07 01:13:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure abs [2019-11-07 01:13:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure labs [2019-11-07 01:13:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure llabs [2019-11-07 01:13:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure div [2019-11-07 01:13:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure ldiv [2019-11-07 01:13:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure lldiv [2019-11-07 01:13:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt [2019-11-07 01:13:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt [2019-11-07 01:13:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure gcvt [2019-11-07 01:13:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt [2019-11-07 01:13:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt [2019-11-07 01:13:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure qgcvt [2019-11-07 01:13:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure ecvt_r [2019-11-07 01:13:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure fcvt_r [2019-11-07 01:13:02,815 INFO L130 BoogieDeclarations]: Found specification of procedure qecvt_r [2019-11-07 01:13:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure qfcvt_r [2019-11-07 01:13:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure mblen [2019-11-07 01:13:02,816 INFO L130 BoogieDeclarations]: Found specification of procedure mbtowc [2019-11-07 01:13:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure wctomb [2019-11-07 01:13:02,817 INFO L130 BoogieDeclarations]: Found specification of procedure mbstowcs [2019-11-07 01:13:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure wcstombs [2019-11-07 01:13:02,818 INFO L130 BoogieDeclarations]: Found specification of procedure rpmatch [2019-11-07 01:13:02,819 INFO L130 BoogieDeclarations]: Found specification of procedure getsubopt [2019-11-07 01:13:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure getloadavg [2019-11-07 01:13:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:13:02,822 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_perror_fail [2019-11-07 01:13:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __assert [2019-11-07 01:13:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 01:13:02,823 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_cs [2019-11-07 01:13:02,824 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_init [2019-11-07 01:13:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_destroy [2019-11-07 01:13:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:13:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:13:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_lock [2019-11-07 01:13:02,832 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_mutex_unlock [2019-11-07 01:13:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_init [2019-11-07 01:13:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_signal [2019-11-07 01:13:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:13:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:13:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_broadcast [2019-11-07 01:13:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_cond_wait [2019-11-07 01:13:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assert [2019-11-07 01:13:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_assume [2019-11-07 01:13:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_join [2019-11-07 01:13:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __CS_pthread_create [2019-11-07 01:13:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2019-11-07 01:13:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2019-11-07 01:13:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure main_thread [2019-11-07 01:13:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:13:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:13:02,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:13:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:13:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~$Pointer$ [2019-11-07 01:13:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:13:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-11-07 01:13:02,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:13:03,678 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !(0 != ~__CS_ret~0 % 256); [2019-11-07 01:13:03,679 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2019-11-07 01:13:03,814 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##29: assume !(0 != ~__CS_ret~0 % 256); [2019-11-07 01:13:03,814 INFO L688 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##28: assume 0 != ~__CS_ret~0 % 256;#res.base, #res.offset := 0, 0; [2019-11-07 01:13:06,390 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:13:06,391 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-11-07 01:13:06,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:13:06 BoogieIcfgContainer [2019-11-07 01:13:06,392 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:13:06,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:13:06,394 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:13:06,397 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:13:06,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:13:01" (1/3) ... [2019-11-07 01:13:06,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b5b9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:13:06, skipping insertion in model container [2019-11-07 01:13:06,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:13:02" (2/3) ... [2019-11-07 01:13:06,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b5b9fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:13:06, skipping insertion in model container [2019-11-07 01:13:06,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:13:06" (3/3) ... [2019-11-07 01:13:06,400 INFO L109 eAbstractionObserver]: Analyzing ICFG cs_peterson.i [2019-11-07 01:13:06,410 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:13:06,419 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:13:06,431 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:13:06,458 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:13:06,459 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:13:06,459 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:13:06,459 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:13:06,459 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:13:06,459 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:13:06,459 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:13:06,460 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:13:06,482 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states. [2019-11-07 01:13:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-11-07 01:13:06,489 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:06,490 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:06,493 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:06,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:06,500 INFO L82 PathProgramCache]: Analyzing trace with hash -689797084, now seen corresponding path program 1 times [2019-11-07 01:13:06,510 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:06,511 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53574931] [2019-11-07 01:13:06,511 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:06,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:06,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:13:06,926 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53574931] [2019-11-07 01:13:06,927 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:13:06,927 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:13:06,928 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473774993] [2019-11-07 01:13:06,933 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:13:06,935 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:06,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:13:06,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:13:06,954 INFO L87 Difference]: Start difference. First operand 136 states. Second operand 3 states. [2019-11-07 01:13:07,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:07,042 INFO L93 Difference]: Finished difference Result 158 states and 221 transitions. [2019-11-07 01:13:07,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:13:07,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-11-07 01:13:07,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:07,055 INFO L225 Difference]: With dead ends: 158 [2019-11-07 01:13:07,055 INFO L226 Difference]: Without dead ends: 77 [2019-11-07 01:13:07,060 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:13:07,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2019-11-07 01:13:07,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 74. [2019-11-07 01:13:07,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2019-11-07 01:13:07,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 100 transitions. [2019-11-07 01:13:07,112 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 100 transitions. Word has length 18 [2019-11-07 01:13:07,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:07,113 INFO L462 AbstractCegarLoop]: Abstraction has 74 states and 100 transitions. [2019-11-07 01:13:07,113 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:13:07,113 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 100 transitions. [2019-11-07 01:13:07,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-07 01:13:07,115 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:07,115 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:07,116 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:07,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:07,116 INFO L82 PathProgramCache]: Analyzing trace with hash -1168450643, now seen corresponding path program 1 times [2019-11-07 01:13:07,116 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:07,117 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618707812] [2019-11-07 01:13:07,117 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:07,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:07,203 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:13:07,203 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618707812] [2019-11-07 01:13:07,204 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:13:07,204 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:13:07,204 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030199999] [2019-11-07 01:13:07,208 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:13:07,208 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:07,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:13:07,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:13:07,209 INFO L87 Difference]: Start difference. First operand 74 states and 100 transitions. Second operand 3 states. [2019-11-07 01:13:07,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:07,240 INFO L93 Difference]: Finished difference Result 143 states and 196 transitions. [2019-11-07 01:13:07,241 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:13:07,241 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2019-11-07 01:13:07,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:07,243 INFO L225 Difference]: With dead ends: 143 [2019-11-07 01:13:07,243 INFO L226 Difference]: Without dead ends: 76 [2019-11-07 01:13:07,245 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:13:07,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2019-11-07 01:13:07,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2019-11-07 01:13:07,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2019-11-07 01:13:07,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 101 transitions. [2019-11-07 01:13:07,256 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 101 transitions. Word has length 21 [2019-11-07 01:13:07,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:07,257 INFO L462 AbstractCegarLoop]: Abstraction has 75 states and 101 transitions. [2019-11-07 01:13:07,257 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:13:07,257 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2019-11-07 01:13:07,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-07 01:13:07,258 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:07,258 INFO L410 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] [2019-11-07 01:13:07,258 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:07,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:07,259 INFO L82 PathProgramCache]: Analyzing trace with hash 301605135, now seen corresponding path program 1 times [2019-11-07 01:13:07,259 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:07,259 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [616750711] [2019-11-07 01:13:07,259 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:07,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:07,545 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-07 01:13:07,545 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [616750711] [2019-11-07 01:13:07,546 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:13:07,546 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 01:13:07,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063966542] [2019-11-07 01:13:07,547 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 01:13:07,547 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:07,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 01:13:07,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 01:13:07,548 INFO L87 Difference]: Start difference. First operand 75 states and 101 transitions. Second operand 5 states. [2019-11-07 01:13:07,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:07,630 INFO L93 Difference]: Finished difference Result 135 states and 189 transitions. [2019-11-07 01:13:07,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-07 01:13:07,631 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 23 [2019-11-07 01:13:07,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:07,637 INFO L225 Difference]: With dead ends: 135 [2019-11-07 01:13:07,637 INFO L226 Difference]: Without dead ends: 127 [2019-11-07 01:13:07,641 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:13:07,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2019-11-07 01:13:07,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2019-11-07 01:13:07,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2019-11-07 01:13:07,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 179 transitions. [2019-11-07 01:13:07,675 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 179 transitions. Word has length 23 [2019-11-07 01:13:07,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:07,676 INFO L462 AbstractCegarLoop]: Abstraction has 127 states and 179 transitions. [2019-11-07 01:13:07,676 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 01:13:07,676 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 179 transitions. [2019-11-07 01:13:07,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-07 01:13:07,681 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:13:07,682 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:13:07,682 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:13:07,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:07,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1526536865, now seen corresponding path program 1 times [2019-11-07 01:13:07,683 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:13:07,683 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105030554] [2019-11-07 01:13:07,683 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:13:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:08,067 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-07 01:13:08,067 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105030554] [2019-11-07 01:13:08,067 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1627894280] [2019-11-07 01:13:08,068 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:13:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:13:08,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 876 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-07 01:13:08,446 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:13:08,507 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-07 01:13:08,507 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:13:08,648 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2019-11-07 01:13:08,648 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [771935763] [2019-11-07 01:13:08,655 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 81 [2019-11-07 01:13:08,731 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:13:08,731 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:13:08,801 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:13:08,802 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 50 root evaluator evaluations with a maximum evaluation depth of 0. Performed 50 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 95 variables. [2019-11-07 01:13:08,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:13:08,807 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:13:08,862 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:13:08,862 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:13:08,865 INFO L553 sIntCurrentIteration]: We unified 79 AI predicates to 79 [2019-11-07 01:13:08,865 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:13:08,866 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:13:08,866 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 4, 4] total 10 [2019-11-07 01:13:08,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551813285] [2019-11-07 01:13:08,868 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:13:08,868 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:13:08,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:13:08,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:13:08,869 INFO L87 Difference]: Start difference. First operand 127 states and 179 transitions. Second operand 2 states. [2019-11-07 01:13:08,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:13:08,882 INFO L93 Difference]: Finished difference Result 127 states and 179 transitions. [2019-11-07 01:13:08,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:13:08,883 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 80 [2019-11-07 01:13:08,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:13:08,883 INFO L225 Difference]: With dead ends: 127 [2019-11-07 01:13:08,883 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:13:08,885 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 160 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:13:08,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:13:08,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:13:08,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:13:08,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:13:08,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 80 [2019-11-07 01:13:08,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:13:08,889 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:13:08,890 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:13:08,890 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:13:08,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:13:09,097 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:13:09,101 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:13:09,196 INFO L443 ceAbstractionStarter]: For program point L729(line 729) no Hoare annotation was computed. [2019-11-07 01:13:09,196 INFO L443 ceAbstractionStarter]: For program point L729-1(lines 705 732) no Hoare annotation was computed. [2019-11-07 01:13:09,196 INFO L443 ceAbstractionStarter]: For program point L725(lines 721 726) no Hoare annotation was computed. [2019-11-07 01:13:09,197 INFO L443 ceAbstractionStarter]: For program point L717(line 717) no Hoare annotation was computed. [2019-11-07 01:13:09,197 INFO L443 ceAbstractionStarter]: For program point L717-1(lines 705 732) no Hoare annotation was computed. [2019-11-07 01:13:09,197 INFO L443 ceAbstractionStarter]: For program point L713(line 713) no Hoare annotation was computed. [2019-11-07 01:13:09,197 INFO L443 ceAbstractionStarter]: For program point L713-1(lines 712 714) no Hoare annotation was computed. [2019-11-07 01:13:09,197 INFO L443 ceAbstractionStarter]: For program point thr2ENTRY(lines 704 732) no Hoare annotation was computed. [2019-11-07 01:13:09,197 INFO L443 ceAbstractionStarter]: For program point L722(line 722) no Hoare annotation was computed. [2019-11-07 01:13:09,197 INFO L443 ceAbstractionStarter]: For program point L722-1(lines 721 726) no Hoare annotation was computed. [2019-11-07 01:13:09,197 INFO L443 ceAbstractionStarter]: For program point thr2FINAL(lines 704 732) no Hoare annotation was computed. [2019-11-07 01:13:09,198 INFO L443 ceAbstractionStarter]: For program point L710(line 710) no Hoare annotation was computed. [2019-11-07 01:13:09,198 INFO L443 ceAbstractionStarter]: For program point L710-1(lines 705 732) no Hoare annotation was computed. [2019-11-07 01:13:09,198 INFO L443 ceAbstractionStarter]: For program point L706(lines 705 732) no Hoare annotation was computed. [2019-11-07 01:13:09,198 INFO L443 ceAbstractionStarter]: For program point L731(line 731) no Hoare annotation was computed. [2019-11-07 01:13:09,198 INFO L443 ceAbstractionStarter]: For program point L731-1(lines 705 732) no Hoare annotation was computed. [2019-11-07 01:13:09,198 INFO L443 ceAbstractionStarter]: For program point L727(line 727) no Hoare annotation was computed. [2019-11-07 01:13:09,198 INFO L443 ceAbstractionStarter]: For program point L727-1(lines 705 732) no Hoare annotation was computed. [2019-11-07 01:13:09,198 INFO L443 ceAbstractionStarter]: For program point L719(line 719) no Hoare annotation was computed. [2019-11-07 01:13:09,199 INFO L443 ceAbstractionStarter]: For program point L719-1(lines 705 732) no Hoare annotation was computed. [2019-11-07 01:13:09,199 INFO L443 ceAbstractionStarter]: For program point L715(lines 705 732) no Hoare annotation was computed. [2019-11-07 01:13:09,199 INFO L443 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2019-11-07 01:13:09,199 INFO L443 ceAbstractionStarter]: For program point L711-3(lines 711 714) no Hoare annotation was computed. [2019-11-07 01:13:09,199 INFO L443 ceAbstractionStarter]: For program point L711-5(lines 711 714) no Hoare annotation was computed. [2019-11-07 01:13:09,199 INFO L443 ceAbstractionStarter]: For program point thr2EXIT(lines 704 732) no Hoare annotation was computed. [2019-11-07 01:13:09,199 INFO L443 ceAbstractionStarter]: For program point L711-6(lines 711 714) no Hoare annotation was computed. [2019-11-07 01:13:09,199 INFO L443 ceAbstractionStarter]: For program point L720(lines 720 726) no Hoare annotation was computed. [2019-11-07 01:13:09,199 INFO L443 ceAbstractionStarter]: For program point L708(line 708) no Hoare annotation was computed. [2019-11-07 01:13:09,200 INFO L443 ceAbstractionStarter]: For program point L708-1(lines 705 732) no Hoare annotation was computed. [2019-11-07 01:13:09,205 INFO L443 ceAbstractionStarter]: For program point thr1ENTRY(lines 675 703) no Hoare annotation was computed. [2019-11-07 01:13:09,206 INFO L443 ceAbstractionStarter]: For program point L700(line 700) no Hoare annotation was computed. [2019-11-07 01:13:09,206 INFO L443 ceAbstractionStarter]: For program point L700-1(lines 676 703) no Hoare annotation was computed. [2019-11-07 01:13:09,206 INFO L443 ceAbstractionStarter]: For program point L696(lines 692 697) no Hoare annotation was computed. [2019-11-07 01:13:09,206 INFO L443 ceAbstractionStarter]: For program point L688(line 688) no Hoare annotation was computed. [2019-11-07 01:13:09,206 INFO L443 ceAbstractionStarter]: For program point L688-1(lines 676 703) no Hoare annotation was computed. [2019-11-07 01:13:09,206 INFO L443 ceAbstractionStarter]: For program point thr1FINAL(lines 675 703) no Hoare annotation was computed. [2019-11-07 01:13:09,206 INFO L443 ceAbstractionStarter]: For program point L684(line 684) no Hoare annotation was computed. [2019-11-07 01:13:09,207 INFO L443 ceAbstractionStarter]: For program point L684-1(lines 683 685) no Hoare annotation was computed. [2019-11-07 01:13:09,209 INFO L443 ceAbstractionStarter]: For program point L693(line 693) no Hoare annotation was computed. [2019-11-07 01:13:09,209 INFO L443 ceAbstractionStarter]: For program point L693-1(lines 692 697) no Hoare annotation was computed. [2019-11-07 01:13:09,209 INFO L443 ceAbstractionStarter]: For program point L681(line 681) no Hoare annotation was computed. [2019-11-07 01:13:09,209 INFO L443 ceAbstractionStarter]: For program point L681-1(lines 676 703) no Hoare annotation was computed. [2019-11-07 01:13:09,209 INFO L443 ceAbstractionStarter]: For program point L677(lines 676 703) no Hoare annotation was computed. [2019-11-07 01:13:09,209 INFO L443 ceAbstractionStarter]: For program point L702(line 702) no Hoare annotation was computed. [2019-11-07 01:13:09,210 INFO L443 ceAbstractionStarter]: For program point L702-1(lines 676 703) no Hoare annotation was computed. [2019-11-07 01:13:09,210 INFO L443 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2019-11-07 01:13:09,210 INFO L443 ceAbstractionStarter]: For program point L698-1(lines 676 703) no Hoare annotation was computed. [2019-11-07 01:13:09,210 INFO L443 ceAbstractionStarter]: For program point L690(line 690) no Hoare annotation was computed. [2019-11-07 01:13:09,210 INFO L443 ceAbstractionStarter]: For program point L690-1(lines 676 703) no Hoare annotation was computed. [2019-11-07 01:13:09,210 INFO L443 ceAbstractionStarter]: For program point L686(lines 676 703) no Hoare annotation was computed. [2019-11-07 01:13:09,210 INFO L443 ceAbstractionStarter]: For program point L682-1(line 682) no Hoare annotation was computed. [2019-11-07 01:13:09,210 INFO L443 ceAbstractionStarter]: For program point L682-3(lines 682 685) no Hoare annotation was computed. [2019-11-07 01:13:09,210 INFO L443 ceAbstractionStarter]: For program point L682-5(lines 682 685) no Hoare annotation was computed. [2019-11-07 01:13:09,211 INFO L443 ceAbstractionStarter]: For program point L682-6(lines 682 685) no Hoare annotation was computed. [2019-11-07 01:13:09,211 INFO L443 ceAbstractionStarter]: For program point L691(lines 691 697) no Hoare annotation was computed. [2019-11-07 01:13:09,211 INFO L443 ceAbstractionStarter]: For program point thr1EXIT(lines 675 703) no Hoare annotation was computed. [2019-11-07 01:13:09,211 INFO L443 ceAbstractionStarter]: For program point L679(line 679) no Hoare annotation was computed. [2019-11-07 01:13:09,211 INFO L443 ceAbstractionStarter]: For program point L679-1(lines 676 703) no Hoare annotation was computed. [2019-11-07 01:13:09,211 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_initENTRY(lines 583 586) no Hoare annotation was computed. [2019-11-07 01:13:09,211 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_initFINAL(lines 583 586) no Hoare annotation was computed. [2019-11-07 01:13:09,211 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_initEXIT(lines 583 586) no Hoare annotation was computed. [2019-11-07 01:13:09,212 INFO L446 ceAbstractionStarter]: At program point L737(line 737) the Hoare annotation is: true [2019-11-07 01:13:09,212 INFO L443 ceAbstractionStarter]: For program point L737-1(lines 734 746) no Hoare annotation was computed. [2019-11-07 01:13:09,212 INFO L443 ceAbstractionStarter]: For program point main_threadEXIT(lines 733 746) no Hoare annotation was computed. [2019-11-07 01:13:09,212 INFO L446 ceAbstractionStarter]: At program point main_threadENTRY(lines 733 746) the Hoare annotation is: true [2019-11-07 01:13:09,212 INFO L443 ceAbstractionStarter]: For program point main_threadFINAL(lines 733 746) no Hoare annotation was computed. [2019-11-07 01:13:09,212 INFO L446 ceAbstractionStarter]: At program point L744(line 744) the Hoare annotation is: true [2019-11-07 01:13:09,212 INFO L443 ceAbstractionStarter]: For program point L744-1(line 744) no Hoare annotation was computed. [2019-11-07 01:13:09,213 INFO L446 ceAbstractionStarter]: At program point L742(line 742) the Hoare annotation is: true [2019-11-07 01:13:09,213 INFO L443 ceAbstractionStarter]: For program point L742-1(line 742) no Hoare annotation was computed. [2019-11-07 01:13:09,213 INFO L446 ceAbstractionStarter]: At program point L740(line 740) the Hoare annotation is: true [2019-11-07 01:13:09,213 INFO L443 ceAbstractionStarter]: For program point L740-1(line 740) no Hoare annotation was computed. [2019-11-07 01:13:09,213 INFO L446 ceAbstractionStarter]: At program point L738(line 738) the Hoare annotation is: true [2019-11-07 01:13:09,213 INFO L443 ceAbstractionStarter]: For program point L738-1(line 738) no Hoare annotation was computed. [2019-11-07 01:13:09,213 INFO L446 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2019-11-07 01:13:09,213 INFO L443 ceAbstractionStarter]: For program point L745-1(lines 734 746) no Hoare annotation was computed. [2019-11-07 01:13:09,213 INFO L446 ceAbstractionStarter]: At program point L743(line 743) the Hoare annotation is: true [2019-11-07 01:13:09,214 INFO L443 ceAbstractionStarter]: For program point L743-1(lines 734 746) no Hoare annotation was computed. [2019-11-07 01:13:09,214 INFO L446 ceAbstractionStarter]: At program point L741(line 741) the Hoare annotation is: true [2019-11-07 01:13:09,214 INFO L443 ceAbstractionStarter]: For program point L741-1(lines 734 746) no Hoare annotation was computed. [2019-11-07 01:13:09,214 INFO L446 ceAbstractionStarter]: At program point L739(line 739) the Hoare annotation is: true [2019-11-07 01:13:09,214 INFO L443 ceAbstractionStarter]: For program point L739-1(lines 734 746) no Hoare annotation was computed. [2019-11-07 01:13:09,215 INFO L443 ceAbstractionStarter]: For program point __uint64_identityFINAL(lines 184 188) no Hoare annotation was computed. [2019-11-07 01:13:09,215 INFO L443 ceAbstractionStarter]: For program point __uint64_identityENTRY(lines 184 188) no Hoare annotation was computed. [2019-11-07 01:13:09,215 INFO L443 ceAbstractionStarter]: For program point __uint64_identityEXIT(lines 184 188) no Hoare annotation was computed. [2019-11-07 01:13:09,215 INFO L443 ceAbstractionStarter]: For program point __bswap_64ENTRY(lines 169 173) no Hoare annotation was computed. [2019-11-07 01:13:09,215 INFO L443 ceAbstractionStarter]: For program point __bswap_64FINAL(lines 169 173) no Hoare annotation was computed. [2019-11-07 01:13:09,215 INFO L443 ceAbstractionStarter]: For program point __bswap_64EXIT(lines 169 173) no Hoare annotation was computed. [2019-11-07 01:13:09,215 INFO L446 ceAbstractionStarter]: At program point L795(line 795) the Hoare annotation is: true [2019-11-07 01:13:09,215 INFO L443 ceAbstractionStarter]: For program point L795-1(line 795) no Hoare annotation was computed. [2019-11-07 01:13:09,215 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 747 831) no Hoare annotation was computed. [2019-11-07 01:13:09,216 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-11-07 01:13:09,216 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 809) no Hoare annotation was computed. [2019-11-07 01:13:09,216 INFO L443 ceAbstractionStarter]: For program point L804-1(lines 804 809) no Hoare annotation was computed. [2019-11-07 01:13:09,216 INFO L443 ceAbstractionStarter]: For program point L796(line 796) no Hoare annotation was computed. [2019-11-07 01:13:09,216 INFO L443 ceAbstractionStarter]: For program point L792(lines 792 797) no Hoare annotation was computed. [2019-11-07 01:13:09,216 INFO L443 ceAbstractionStarter]: For program point L792-1(lines 792 797) no Hoare annotation was computed. [2019-11-07 01:13:09,216 INFO L446 ceAbstractionStarter]: At program point L801(line 801) the Hoare annotation is: true [2019-11-07 01:13:09,216 INFO L443 ceAbstractionStarter]: For program point L801-1(line 801) no Hoare annotation was computed. [2019-11-07 01:13:09,216 INFO L446 ceAbstractionStarter]: At program point L830(line 830) the Hoare annotation is: true [2019-11-07 01:13:09,217 INFO L443 ceAbstractionStarter]: For program point L830-1(line 830) no Hoare annotation was computed. [2019-11-07 01:13:09,217 INFO L443 ceAbstractionStarter]: For program point L756-2(lines 756 765) no Hoare annotation was computed. [2019-11-07 01:13:09,217 INFO L446 ceAbstractionStarter]: At program point L756-3(lines 756 765) the Hoare annotation is: true [2019-11-07 01:13:09,217 INFO L443 ceAbstractionStarter]: For program point L756-4(lines 756 765) no Hoare annotation was computed. [2019-11-07 01:13:09,217 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 747 831) no Hoare annotation was computed. [2019-11-07 01:13:09,217 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-11-07 01:13:09,217 INFO L443 ceAbstractionStarter]: For program point L798(lines 798 803) no Hoare annotation was computed. [2019-11-07 01:13:09,217 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 747 831) the Hoare annotation is: true [2019-11-07 01:13:09,217 INFO L443 ceAbstractionStarter]: For program point L798-1(lines 798 803) no Hoare annotation was computed. [2019-11-07 01:13:09,218 INFO L443 ceAbstractionStarter]: For program point L761-2(lines 761 764) no Hoare annotation was computed. [2019-11-07 01:13:09,218 INFO L446 ceAbstractionStarter]: At program point L761-3(lines 761 764) the Hoare annotation is: true [2019-11-07 01:13:09,218 INFO L446 ceAbstractionStarter]: At program point L807(line 807) the Hoare annotation is: true [2019-11-07 01:13:09,218 INFO L443 ceAbstractionStarter]: For program point L807-1(line 807) no Hoare annotation was computed. [2019-11-07 01:13:09,218 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_initEXIT(lines 555 558) no Hoare annotation was computed. [2019-11-07 01:13:09,218 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_initENTRY(lines 555 558) no Hoare annotation was computed. [2019-11-07 01:13:09,218 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_initFINAL(lines 555 558) no Hoare annotation was computed. [2019-11-07 01:13:09,218 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_signalFINAL(lines 587 594) no Hoare annotation was computed. [2019-11-07 01:13:09,218 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_signalEXIT(lines 587 594) no Hoare annotation was computed. [2019-11-07 01:13:09,218 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 592) no Hoare annotation was computed. [2019-11-07 01:13:09,219 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_signalENTRY(lines 587 594) no Hoare annotation was computed. [2019-11-07 01:13:09,219 INFO L443 ceAbstractionStarter]: For program point L590-2(lines 590 592) no Hoare annotation was computed. [2019-11-07 01:13:09,219 INFO L443 ceAbstractionStarter]: For program point L590-3(lines 590 592) no Hoare annotation was computed. [2019-11-07 01:13:09,219 INFO L443 ceAbstractionStarter]: For program point L590-4(lines 590 592) no Hoare annotation was computed. [2019-11-07 01:13:09,219 INFO L443 ceAbstractionStarter]: For program point __uint32_identityFINAL(lines 179 183) no Hoare annotation was computed. [2019-11-07 01:13:09,219 INFO L443 ceAbstractionStarter]: For program point __uint32_identityENTRY(lines 179 183) no Hoare annotation was computed. [2019-11-07 01:13:09,219 INFO L443 ceAbstractionStarter]: For program point __uint32_identityEXIT(lines 179 183) no Hoare annotation was computed. [2019-11-07 01:13:09,219 INFO L443 ceAbstractionStarter]: For program point L599(lines 599 600) no Hoare annotation was computed. [2019-11-07 01:13:09,219 INFO L443 ceAbstractionStarter]: For program point L598-2(lines 598 600) no Hoare annotation was computed. [2019-11-07 01:13:09,220 INFO L443 ceAbstractionStarter]: For program point L598-3(lines 598 600) no Hoare annotation was computed. [2019-11-07 01:13:09,220 INFO L443 ceAbstractionStarter]: For program point L598-4(lines 598 600) no Hoare annotation was computed. [2019-11-07 01:13:09,220 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_broadcastFINAL(lines 595 602) no Hoare annotation was computed. [2019-11-07 01:13:09,220 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_broadcastEXIT(lines 595 602) no Hoare annotation was computed. [2019-11-07 01:13:09,220 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_broadcastENTRY(lines 595 602) no Hoare annotation was computed. [2019-11-07 01:13:09,220 INFO L443 ceAbstractionStarter]: For program point L570(lines 570 571) no Hoare annotation was computed. [2019-11-07 01:13:09,220 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_lockENTRY(lines 568 573) no Hoare annotation was computed. [2019-11-07 01:13:09,220 INFO L443 ceAbstractionStarter]: For program point L570-1(lines 570 571) no Hoare annotation was computed. [2019-11-07 01:13:09,220 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_lockEXIT(lines 568 573) no Hoare annotation was computed. [2019-11-07 01:13:09,221 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_lockFINAL(lines 568 573) no Hoare annotation was computed. [2019-11-07 01:13:09,221 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_createFINAL(lines 650 663) no Hoare annotation was computed. [2019-11-07 01:13:09,221 INFO L443 ceAbstractionStarter]: For program point L652(lines 652 655) no Hoare annotation was computed. [2019-11-07 01:13:09,221 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_createEXIT(lines 650 663) no Hoare annotation was computed. [2019-11-07 01:13:09,221 INFO L446 ceAbstractionStarter]: At program point __CS_pthread_createENTRY(lines 650 663) the Hoare annotation is: true [2019-11-07 01:13:09,221 INFO L443 ceAbstractionStarter]: For program point __uint16_identityENTRY(lines 174 178) no Hoare annotation was computed. [2019-11-07 01:13:09,221 INFO L443 ceAbstractionStarter]: For program point __uint16_identityEXIT(lines 174 178) no Hoare annotation was computed. [2019-11-07 01:13:09,221 INFO L443 ceAbstractionStarter]: For program point __uint16_identityFINAL(lines 174 178) no Hoare annotation was computed. [2019-11-07 01:13:09,221 INFO L443 ceAbstractionStarter]: For program point L605(lines 605 610) no Hoare annotation was computed. [2019-11-07 01:13:09,222 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_waitEXIT(lines 603 616) no Hoare annotation was computed. [2019-11-07 01:13:09,225 INFO L443 ceAbstractionStarter]: For program point L613(lines 613 614) no Hoare annotation was computed. [2019-11-07 01:13:09,225 INFO L443 ceAbstractionStarter]: For program point L613-1(lines 613 614) no Hoare annotation was computed. [2019-11-07 01:13:09,225 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_waitENTRY(lines 603 616) no Hoare annotation was computed. [2019-11-07 01:13:09,225 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_cond_waitFINAL(lines 603 616) no Hoare annotation was computed. [2019-11-07 01:13:09,225 INFO L443 ceAbstractionStarter]: For program point __CS_csEXIT(lines 548 554) no Hoare annotation was computed. [2019-11-07 01:13:09,225 INFO L446 ceAbstractionStarter]: At program point __CS_csENTRY(lines 548 554) the Hoare annotation is: true [2019-11-07 01:13:09,225 INFO L443 ceAbstractionStarter]: For program point __CS_csFINAL(lines 548 554) no Hoare annotation was computed. [2019-11-07 01:13:09,225 INFO L443 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2019-11-07 01:13:09,226 INFO L443 ceAbstractionStarter]: For program point L553-2(line 553) no Hoare annotation was computed. [2019-11-07 01:13:09,226 INFO L443 ceAbstractionStarter]: For program point L619(lines 619 622) no Hoare annotation was computed. [2019-11-07 01:13:09,226 INFO L443 ceAbstractionStarter]: For program point L619-2(lines 617 623) no Hoare annotation was computed. [2019-11-07 01:13:09,227 INFO L443 ceAbstractionStarter]: For program point __CS_assertEXIT(lines 617 623) no Hoare annotation was computed. [2019-11-07 01:13:09,227 INFO L443 ceAbstractionStarter]: For program point __CS_assertENTRY(lines 617 623) no Hoare annotation was computed. [2019-11-07 01:13:09,231 INFO L443 ceAbstractionStarter]: For program point __bswap_32ENTRY(lines 164 168) no Hoare annotation was computed. [2019-11-07 01:13:09,231 INFO L443 ceAbstractionStarter]: For program point __bswap_32FINAL(lines 164 168) no Hoare annotation was computed. [2019-11-07 01:13:09,231 INFO L443 ceAbstractionStarter]: For program point __bswap_32EXIT(lines 164 168) no Hoare annotation was computed. [2019-11-07 01:13:09,231 INFO L443 ceAbstractionStarter]: For program point L561(line 561) no Hoare annotation was computed. [2019-11-07 01:13:09,231 INFO L443 ceAbstractionStarter]: For program point L561-2(lines 561 565) no Hoare annotation was computed. [2019-11-07 01:13:09,231 INFO L443 ceAbstractionStarter]: For program point L561-4(lines 561 565) no Hoare annotation was computed. [2019-11-07 01:13:09,232 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_destroyENTRY(lines 559 567) no Hoare annotation was computed. [2019-11-07 01:13:09,232 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_destroyFINAL(lines 559 567) no Hoare annotation was computed. [2019-11-07 01:13:09,232 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_destroyEXIT(lines 559 567) no Hoare annotation was computed. [2019-11-07 01:13:09,232 INFO L443 ceAbstractionStarter]: For program point __CS_assumeENTRY(lines 624 627) no Hoare annotation was computed. [2019-11-07 01:13:09,232 INFO L443 ceAbstractionStarter]: For program point L626-2(lines 624 627) no Hoare annotation was computed. [2019-11-07 01:13:09,232 INFO L443 ceAbstractionStarter]: For program point __CS_assumeEXIT(lines 624 627) no Hoare annotation was computed. [2019-11-07 01:13:09,232 INFO L443 ceAbstractionStarter]: For program point L626(line 626) no Hoare annotation was computed. [2019-11-07 01:13:09,232 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:13:09,232 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:13:09,232 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:13:09,233 INFO L443 ceAbstractionStarter]: For program point L641(lines 641 646) no Hoare annotation was computed. [2019-11-07 01:13:09,233 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_joinEXIT(lines 628 649) no Hoare annotation was computed. [2019-11-07 01:13:09,233 INFO L446 ceAbstractionStarter]: At program point __CS_pthread_joinENTRY(lines 628 649) the Hoare annotation is: true [2019-11-07 01:13:09,233 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_joinFINAL(lines 628 649) no Hoare annotation was computed. [2019-11-07 01:13:09,233 INFO L443 ceAbstractionStarter]: For program point L636(line 636) no Hoare annotation was computed. [2019-11-07 01:13:09,233 INFO L443 ceAbstractionStarter]: For program point L636-2(lines 636 640) no Hoare annotation was computed. [2019-11-07 01:13:09,233 INFO L443 ceAbstractionStarter]: For program point L630(lines 630 635) no Hoare annotation was computed. [2019-11-07 01:13:09,233 INFO L446 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2019-11-07 01:13:09,234 INFO L446 ceAbstractionStarter]: At program point ##fun~$Pointer$~TO~$Pointer$ENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:13:09,234 INFO L443 ceAbstractionStarter]: For program point L-1-1(line -1) no Hoare annotation was computed. [2019-11-07 01:13:09,234 INFO L443 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~$Pointer$FINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:13:09,234 INFO L443 ceAbstractionStarter]: For program point ##fun~$Pointer$~TO~$Pointer$EXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:13:09,234 INFO L443 ceAbstractionStarter]: For program point L576(lines 576 580) no Hoare annotation was computed. [2019-11-07 01:13:09,234 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_unlockENTRY(lines 574 582) no Hoare annotation was computed. [2019-11-07 01:13:09,234 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_unlockFINAL(lines 574 582) no Hoare annotation was computed. [2019-11-07 01:13:09,234 INFO L443 ceAbstractionStarter]: For program point __CS_pthread_mutex_unlockEXIT(lines 574 582) no Hoare annotation was computed. [2019-11-07 01:13:09,234 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:13:09,235 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:13:09,235 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:13:09,235 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:13:09,235 INFO L443 ceAbstractionStarter]: For program point L528(line 528) no Hoare annotation was computed. [2019-11-07 01:13:09,236 INFO L443 ceAbstractionStarter]: For program point L527(lines 527 529) no Hoare annotation was computed. [2019-11-07 01:13:09,236 INFO L446 ceAbstractionStarter]: At program point __VERIFIER_assertENTRY(lines 526 531) the Hoare annotation is: true [2019-11-07 01:13:09,236 INFO L443 ceAbstractionStarter]: For program point L527-2(lines 526 531) no Hoare annotation was computed. [2019-11-07 01:13:09,236 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertEXIT(lines 526 531) no Hoare annotation was computed. [2019-11-07 01:13:09,236 INFO L443 ceAbstractionStarter]: For program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 528) no Hoare annotation was computed. [2019-11-07 01:13:09,251 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:13:09 BoogieIcfgContainer [2019-11-07 01:13:09,251 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:13:09,254 INFO L168 Benchmark]: Toolchain (without parser) took 7520.04 ms. Allocated memory was 139.5 MB in the beginning and 254.8 MB in the end (delta: 115.3 MB). Free memory was 98.2 MB in the beginning and 82.6 MB in the end (delta: 15.6 MB). Peak memory consumption was 131.0 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:09,259 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-11-07 01:13:09,261 INFO L168 Benchmark]: CACSL2BoogieTranslator took 821.71 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 98.0 MB in the beginning and 152.3 MB in the end (delta: -54.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:09,265 INFO L168 Benchmark]: Boogie Preprocessor took 135.19 ms. Allocated memory is still 199.2 MB. Free memory was 152.3 MB in the beginning and 146.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:09,271 INFO L168 Benchmark]: RCFGBuilder took 3700.58 ms. Allocated memory was 199.2 MB in the beginning and 254.8 MB in the end (delta: 55.6 MB). Free memory was 145.9 MB in the beginning and 220.1 MB in the end (delta: -74.1 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:09,272 INFO L168 Benchmark]: TraceAbstraction took 2857.79 ms. Allocated memory is still 254.8 MB. Free memory was 218.0 MB in the beginning and 82.6 MB in the end (delta: 135.4 MB). Peak memory consumption was 135.4 MB. Max. memory is 7.1 GB. [2019-11-07 01:13:09,281 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 821.71 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 98.0 MB in the beginning and 152.3 MB in the end (delta: -54.3 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.19 ms. Allocated memory is still 199.2 MB. Free memory was 152.3 MB in the beginning and 146.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3700.58 ms. Allocated memory was 199.2 MB in the beginning and 254.8 MB in the end (delta: 55.6 MB). Free memory was 145.9 MB in the beginning and 220.1 MB in the end (delta: -74.1 MB). Peak memory consumption was 102.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2857.79 ms. Allocated memory is still 254.8 MB. Free memory was 218.0 MB in the beginning and 82.6 MB in the end (delta: 135.4 MB). Peak memory consumption was 135.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 528]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 756]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 761]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 26 procedures, 202 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 4, TraceHistogramMax: 4, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 323 SDtfs, 82 SDslu, 524 SDs, 0 SdLazy, 20 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 183 GetRequests, 167 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=136occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 112 PreInvPairs, 113 NumberOfFragments, 26 HoareAnnotationTreeSize, 112 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 26 FomulaSimplificationsInter, 15 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 222 NumberOfCodeBlocks, 222 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 296 ConstructedInterpolants, 0 QuantifiedInterpolants, 30848 SizeOfPredicates, 1 NumberOfNonLiveVariables, 876 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 6 InterpolantComputations, 3 PerfectInterpolantSequences, 105/111 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 152, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 2.8227848101265822, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...